71224920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 320

約数和(自身を含む): 274428000

約数和(自身を除く): 203203080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 52, 54, 57, 60, 65, 72, 76, 78, 81, 89, 90, 95, 104, 108, 114, 117, 120, 130, 135, 152, 156, 162, 171, 178, 180, 190, 195, 216, 228, 234, 247, 260, 267, 270, 285, 312, 324, 342, 351, 356, 360, 380, 390, 405, 445, 456, 468, 494, 513, 520, 534, 540, 570, 585, 648, 684, 702, 712, 741, 760, 780, 801, 810, 855, 890, 936, 988, 1026, 1053, 1068, 1080, 1140, 1157, 1170, 1235, 1335, 1368, 1404, 1482, 1539, 1560, 1602, 1620, 1691, 1710, 1755, 1780, 1976, 2052, 2106, 2136, 2223, 2280, 2314, 2340, 2403, 2470, 2565, 2670, 2808, 2964, 3078, 3204, 3240, 3382, 3420, 3471, 3510, 3560, 3705, 4005, 4104, 4212, 4446, 4628, 4680, 4806, 4940, 5073, 5130, 5265, 5340, 5785, 5928, 6156, 6408, 6669, 6764, 6840, 6942, 7020, 7209, 7410, 7695, 8010, 8424, 8455, 8892, 9256, 9612, 9880, 10146, 10260, 10413, 10530, 10680, 11115, 11570, 12015, 12312, 13338, 13528, 13884, 14040, 14418, 14820, 15219, 15390, 16020, 16910, 17355, 17784, 19224, 20007, 20292, 20520, 20826, 21060, 21983, 22230, 23140, 24030, 25365, 26676, 27768, 28836, 29640, 30438, 30780, 31239, 32040, 33345, 33820, 34710, 36045, 40014, 40584, 41652, 42120, 43966, 44460, 45657, 46280, 48060, 50730, 52065, 53352, 57672, 60876, 61560, 62478, 65949, 66690, 67640, 69420, 72090, 76095, 80028, 83304, 87932, 88920, 91314, 93717, 96120, 100035, 101460, 104130, 109915, 121752, 124956, 131898, 133380, 136971, 138840, 144180, 152190, 156195, 160056, 175864, 182628, 187434, 197847, 200070, 202920, 208260, 219830, 228285, 249912, 263796, 266760, 273942, 288360, 304380, 312390, 329745, 365256, 374868, 395694, 400140, 416520, 439660, 456570, 468585, 527592, 547884, 593541, 608760, 624780, 659490, 684855, 749736, 791388, 800280, 879320, 913140, 937170, 989235, 1095768, 1187082, 1249560, 1318980, 1369710, 1582776, 1780623, 1826280, 1874340, 1978470, 2374164, 2637960, 2739420, 2967705, 3561246, 3748680, 3956940, 4748328, 5478840, 5935410, 7122492, 7913880, 8903115, 11870820, 14244984, 17806230, 23741640, 35612460, 71224920]

約数ペア:

[(1, 71224920), (2, 35612460), (3, 23741640), (4, 17806230), (5, 14244984), (6, 11870820), (8, 8903115), (9, 7913880), (10, 7122492), (12, 5935410), (13, 5478840), (15, 4748328), (18, 3956940), (19, 3748680), (20, 3561246), (24, 2967705), (26, 2739420), (27, 2637960), (30, 2374164), (36, 1978470), (38, 1874340), (39, 1826280), (40, 1780623), (45, 1582776), (52, 1369710), (54, 1318980), (57, 1249560), (60, 1187082), (65, 1095768), (72, 989235), (76, 937170), (78, 913140), (81, 879320), (89, 800280), (90, 791388), (95, 749736), (104, 684855), (108, 659490), (114, 624780), (117, 608760), (120, 593541), (130, 547884), (135, 527592), (152, 468585), (156, 456570), (162, 439660), (171, 416520), (178, 400140), (180, 395694), (190, 374868), (195, 365256), (216, 329745), (228, 312390), (234, 304380), (247, 288360), (260, 273942), (267, 266760), (270, 263796), (285, 249912), (312, 228285), (324, 219830), (342, 208260), (351, 202920), (356, 200070), (360, 197847), (380, 187434), (390, 182628), (405, 175864), (445, 160056), (456, 156195), (468, 152190), (494, 144180), (513, 138840), (520, 136971), (534, 133380), (540, 131898), (570, 124956), (585, 121752), (648, 109915), (684, 104130), (702, 101460), (712, 100035), (741, 96120), (760, 93717), (780, 91314), (801, 88920), (810, 87932), (855, 83304), (890, 80028), (936, 76095), (988, 72090), (1026, 69420), (1053, 67640), (1068, 66690), (1080, 65949), (1140, 62478), (1157, 61560), (1170, 60876), (1235, 57672), (1335, 53352), (1368, 52065), (1404, 50730), (1482, 48060), (1539, 46280), (1560, 45657), (1602, 44460), (1620, 43966), (1691, 42120), (1710, 41652), (1755, 40584), (1780, 40014), (1976, 36045), (2052, 34710), (2106, 33820), (2136, 33345), (2223, 32040), (2280, 31239), (2314, 30780), (2340, 30438), (2403, 29640), (2470, 28836), (2565, 27768), (2670, 26676), (2808, 25365), (2964, 24030), (3078, 23140), (3204, 22230), (3240, 21983), (3382, 21060), (3420, 20826), (3471, 20520), (3510, 20292), (3560, 20007), (3705, 19224), (4005, 17784), (4104, 17355), (4212, 16910), (4446, 16020), (4628, 15390), (4680, 15219), (4806, 14820), (4940, 14418), (5073, 14040), (5130, 13884), (5265, 13528), (5340, 13338), (5785, 12312), (5928, 12015), (6156, 11570), (6408, 11115), (6669, 10680), (6764, 10530), (6840, 10413), (6942, 10260), (7020, 10146), (7209, 9880), (7410, 9612), (7695, 9256), (8010, 8892), (8424, 8455)]