15827760

素因数分解:

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

素因数の和:140

約数の個数: 240

約数和(自身を含む): 60933600

約数和(自身を除く): 45105840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 89, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 178, 180, 190, 195, 208, 228, 234, 240, 247, 260, 267, 285, 304, 312, 342, 356, 360, 380, 390, 445, 456, 468, 494, 520, 534, 570, 585, 624, 684, 712, 720, 741, 760, 780, 801, 855, 890, 912, 936, 988, 1040, 1068, 1140, 1157, 1170, 1235, 1335, 1368, 1424, 1482, 1520, 1560, 1602, 1691, 1710, 1780, 1872, 1976, 2136, 2223, 2280, 2314, 2340, 2470, 2670, 2736, 2964, 3120, 3204, 3382, 3420, 3471, 3560, 3705, 3952, 4005, 4272, 4446, 4560, 4628, 4680, 4940, 5073, 5340, 5785, 5928, 6408, 6764, 6840, 6942, 7120, 7410, 8010, 8455, 8892, 9256, 9360, 9880, 10146, 10413, 10680, 11115, 11570, 11856, 12816, 13528, 13680, 13884, 14820, 15219, 16020, 16910, 17355, 17784, 18512, 19760, 20292, 20826, 21360, 21983, 22230, 23140, 25365, 27056, 27768, 29640, 30438, 32040, 33820, 34710, 35568, 40584, 41652, 43966, 44460, 46280, 50730, 52065, 55536, 59280, 60876, 64080, 65949, 67640, 69420, 76095, 81168, 83304, 87932, 88920, 92560, 101460, 104130, 109915, 121752, 131898, 135280, 138840, 152190, 166608, 175864, 177840, 197847, 202920, 208260, 219830, 243504, 263796, 277680, 304380, 329745, 351728, 395694, 405840, 416520, 439660, 527592, 608760, 659490, 791388, 833040, 879320, 989235, 1055184, 1217520, 1318980, 1582776, 1758640, 1978470, 2637960, 3165552, 3956940, 5275920, 7913880, 15827760]

約数ペア:

[(1, 15827760), (2, 7913880), (3, 5275920), (4, 3956940), (5, 3165552), (6, 2637960), (8, 1978470), (9, 1758640), (10, 1582776), (12, 1318980), (13, 1217520), (15, 1055184), (16, 989235), (18, 879320), (19, 833040), (20, 791388), (24, 659490), (26, 608760), (30, 527592), (36, 439660), (38, 416520), (39, 405840), (40, 395694), (45, 351728), (48, 329745), (52, 304380), (57, 277680), (60, 263796), (65, 243504), (72, 219830), (76, 208260), (78, 202920), (80, 197847), (89, 177840), (90, 175864), (95, 166608), (104, 152190), (114, 138840), (117, 135280), (120, 131898), (130, 121752), (144, 109915), (152, 104130), (156, 101460), (171, 92560), (178, 88920), (180, 87932), (190, 83304), (195, 81168), (208, 76095), (228, 69420), (234, 67640), (240, 65949), (247, 64080), (260, 60876), (267, 59280), (285, 55536), (304, 52065), (312, 50730), (342, 46280), (356, 44460), (360, 43966), (380, 41652), (390, 40584), (445, 35568), (456, 34710), (468, 33820), (494, 32040), (520, 30438), (534, 29640), (570, 27768), (585, 27056), (624, 25365), (684, 23140), (712, 22230), (720, 21983), (741, 21360), (760, 20826), (780, 20292), (801, 19760), (855, 18512), (890, 17784), (912, 17355), (936, 16910), (988, 16020), (1040, 15219), (1068, 14820), (1140, 13884), (1157, 13680), (1170, 13528), (1235, 12816), (1335, 11856), (1368, 11570), (1424, 11115), (1482, 10680), (1520, 10413), (1560, 10146), (1602, 9880), (1691, 9360), (1710, 9256), (1780, 8892), (1872, 8455), (1976, 8010), (2136, 7410), (2223, 7120), (2280, 6942), (2314, 6840), (2340, 6764), (2470, 6408), (2670, 5928), (2736, 5785), (2964, 5340), (3120, 5073), (3204, 4940), (3382, 4680), (3420, 4628), (3471, 4560), (3560, 4446), (3705, 4272), (3952, 4005)]