3956940

素因数分解:

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

素因数の和:136

約数の個数: 144

約数和(自身を含む): 13759200

約数和(自身を除く): 9802260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 89, 90, 95, 114, 117, 130, 156, 171, 178, 180, 190, 195, 228, 234, 247, 260, 267, 285, 342, 356, 380, 390, 445, 468, 494, 534, 570, 585, 684, 741, 780, 801, 855, 890, 988, 1068, 1140, 1157, 1170, 1235, 1335, 1482, 1602, 1691, 1710, 1780, 2223, 2314, 2340, 2470, 2670, 2964, 3204, 3382, 3420, 3471, 3705, 4005, 4446, 4628, 4940, 5073, 5340, 5785, 6764, 6942, 7410, 8010, 8455, 8892, 10146, 10413, 11115, 11570, 13884, 14820, 15219, 16020, 16910, 17355, 20292, 20826, 21983, 22230, 23140, 25365, 30438, 33820, 34710, 41652, 43966, 44460, 50730, 52065, 60876, 65949, 69420, 76095, 87932, 101460, 104130, 109915, 131898, 152190, 197847, 208260, 219830, 263796, 304380, 329745, 395694, 439660, 659490, 791388, 989235, 1318980, 1978470, 3956940]

約数ペア:

[(1, 3956940), (2, 1978470), (3, 1318980), (4, 989235), (5, 791388), (6, 659490), (9, 439660), (10, 395694), (12, 329745), (13, 304380), (15, 263796), (18, 219830), (19, 208260), (20, 197847), (26, 152190), (30, 131898), (36, 109915), (38, 104130), (39, 101460), (45, 87932), (52, 76095), (57, 69420), (60, 65949), (65, 60876), (76, 52065), (78, 50730), (89, 44460), (90, 43966), (95, 41652), (114, 34710), (117, 33820), (130, 30438), (156, 25365), (171, 23140), (178, 22230), (180, 21983), (190, 20826), (195, 20292), (228, 17355), (234, 16910), (247, 16020), (260, 15219), (267, 14820), (285, 13884), (342, 11570), (356, 11115), (380, 10413), (390, 10146), (445, 8892), (468, 8455), (494, 8010), (534, 7410), (570, 6942), (585, 6764), (684, 5785), (741, 5340), (780, 5073), (801, 4940), (855, 4628), (890, 4446), (988, 4005), (1068, 3705), (1140, 3471), (1157, 3420), (1170, 3382), (1235, 3204), (1335, 2964), (1482, 2670), (1602, 2470), (1691, 2340), (1710, 2314), (1780, 2223)]