71620120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:713

約数の個数: 128

約数和(自身を含む): 199584000

約数和(自身を除く): 127963880

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 260, 286, 380, 418, 440, 494, 520, 572, 659, 715, 760, 836, 988, 1045, 1144, 1235, 1318, 1430, 1672, 1976, 2090, 2470, 2636, 2717, 2860, 3295, 4180, 4940, 5272, 5434, 5720, 6590, 7249, 8360, 8567, 9880, 10868, 12521, 13180, 13585, 14498, 17134, 21736, 25042, 26360, 27170, 28996, 34268, 36245, 42835, 50084, 54340, 57992, 62605, 68536, 72490, 85670, 94237, 100168, 108680, 125210, 137731, 144980, 162773, 171340, 188474, 250420, 275462, 289960, 325546, 342680, 376948, 471185, 500840, 550924, 651092, 688655, 753896, 813865, 942370, 1101848, 1302184, 1377310, 1627730, 1790503, 1884740, 2754620, 3255460, 3581006, 3769480, 5509240, 6510920, 7162012, 8952515, 14324024, 17905030, 35810060, 71620120]

約数ペア:

[(1, 71620120), (2, 35810060), (4, 17905030), (5, 14324024), (8, 8952515), (10, 7162012), (11, 6510920), (13, 5509240), (19, 3769480), (20, 3581006), (22, 3255460), (26, 2754620), (38, 1884740), (40, 1790503), (44, 1627730), (52, 1377310), (55, 1302184), (65, 1101848), (76, 942370), (88, 813865), (95, 753896), (104, 688655), (110, 651092), (130, 550924), (143, 500840), (152, 471185), (190, 376948), (209, 342680), (220, 325546), (247, 289960), (260, 275462), (286, 250420), (380, 188474), (418, 171340), (440, 162773), (494, 144980), (520, 137731), (572, 125210), (659, 108680), (715, 100168), (760, 94237), (836, 85670), (988, 72490), (1045, 68536), (1144, 62605), (1235, 57992), (1318, 54340), (1430, 50084), (1672, 42835), (1976, 36245), (2090, 34268), (2470, 28996), (2636, 27170), (2717, 26360), (2860, 25042), (3295, 21736), (4180, 17134), (4940, 14498), (5272, 13585), (5434, 13180), (5720, 12521), (6590, 10868), (7249, 9880), (8360, 8567)]