71728680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 224985600

約数和(自身を除く): 153256920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 61, 82, 120, 122, 123, 164, 183, 205, 239, 244, 246, 305, 328, 366, 410, 478, 488, 492, 610, 615, 717, 732, 820, 915, 956, 984, 1195, 1220, 1230, 1434, 1464, 1640, 1830, 1912, 2390, 2440, 2460, 2501, 2868, 3585, 3660, 4780, 4920, 5002, 5736, 7170, 7320, 7503, 9560, 9799, 10004, 12505, 14340, 14579, 15006, 19598, 20008, 25010, 28680, 29158, 29397, 30012, 37515, 39196, 43737, 48995, 50020, 58316, 58794, 60024, 72895, 75030, 78392, 87474, 97990, 100040, 116632, 117588, 145790, 146985, 150060, 174948, 195980, 218685, 235176, 291580, 293970, 300120, 349896, 391960, 437370, 583160, 587940, 597739, 874740, 1175880, 1195478, 1749480, 1793217, 2390956, 2988695, 3586434, 4781912, 5977390, 7172868, 8966085, 11954780, 14345736, 17932170, 23909560, 35864340, 71728680]

約数ペア:

[(1, 71728680), (2, 35864340), (3, 23909560), (4, 17932170), (5, 14345736), (6, 11954780), (8, 8966085), (10, 7172868), (12, 5977390), (15, 4781912), (20, 3586434), (24, 2988695), (30, 2390956), (40, 1793217), (41, 1749480), (60, 1195478), (61, 1175880), (82, 874740), (120, 597739), (122, 587940), (123, 583160), (164, 437370), (183, 391960), (205, 349896), (239, 300120), (244, 293970), (246, 291580), (305, 235176), (328, 218685), (366, 195980), (410, 174948), (478, 150060), (488, 146985), (492, 145790), (610, 117588), (615, 116632), (717, 100040), (732, 97990), (820, 87474), (915, 78392), (956, 75030), (984, 72895), (1195, 60024), (1220, 58794), (1230, 58316), (1434, 50020), (1464, 48995), (1640, 43737), (1830, 39196), (1912, 37515), (2390, 30012), (2440, 29397), (2460, 29158), (2501, 28680), (2868, 25010), (3585, 20008), (3660, 19598), (4780, 15006), (4920, 14579), (5002, 14340), (5736, 12505), (7170, 10004), (7320, 9799), (7503, 9560)]