91271440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 249984000

約数和(自身を除く): 158712560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 149, 152, 155, 190, 208, 247, 248, 260, 298, 304, 310, 380, 403, 494, 496, 520, 589, 596, 620, 745, 760, 806, 988, 1040, 1178, 1192, 1235, 1240, 1490, 1520, 1612, 1937, 1976, 2015, 2356, 2384, 2470, 2480, 2831, 2945, 2980, 3224, 3874, 3952, 4030, 4619, 4712, 4940, 5662, 5890, 5960, 6448, 7657, 7748, 8060, 9238, 9424, 9685, 9880, 11324, 11780, 11920, 14155, 15314, 15496, 16120, 18476, 19370, 19760, 22648, 23095, 23560, 28310, 30628, 30992, 32240, 36803, 36952, 38285, 38740, 45296, 46190, 47120, 56620, 60047, 61256, 73606, 73904, 76570, 77480, 87761, 92380, 113240, 120094, 122512, 147212, 153140, 154960, 175522, 184015, 184760, 226480, 240188, 294424, 300235, 306280, 351044, 368030, 369520, 438805, 480376, 588848, 600470, 612560, 702088, 736060, 877610, 960752, 1140893, 1200940, 1404176, 1472120, 1755220, 2281786, 2401880, 2944240, 3510440, 4563572, 4803760, 5704465, 7020880, 9127144, 11408930, 18254288, 22817860, 45635720, 91271440]

約数ペア:

[(1, 91271440), (2, 45635720), (4, 22817860), (5, 18254288), (8, 11408930), (10, 9127144), (13, 7020880), (16, 5704465), (19, 4803760), (20, 4563572), (26, 3510440), (31, 2944240), (38, 2401880), (40, 2281786), (52, 1755220), (62, 1472120), (65, 1404176), (76, 1200940), (80, 1140893), (95, 960752), (104, 877610), (124, 736060), (130, 702088), (149, 612560), (152, 600470), (155, 588848), (190, 480376), (208, 438805), (247, 369520), (248, 368030), (260, 351044), (298, 306280), (304, 300235), (310, 294424), (380, 240188), (403, 226480), (494, 184760), (496, 184015), (520, 175522), (589, 154960), (596, 153140), (620, 147212), (745, 122512), (760, 120094), (806, 113240), (988, 92380), (1040, 87761), (1178, 77480), (1192, 76570), (1235, 73904), (1240, 73606), (1490, 61256), (1520, 60047), (1612, 56620), (1937, 47120), (1976, 46190), (2015, 45296), (2356, 38740), (2384, 38285), (2470, 36952), (2480, 36803), (2831, 32240), (2945, 30992), (2980, 30628), (3224, 28310), (3874, 23560), (3952, 23095), (4030, 22648), (4619, 19760), (4712, 19370), (4940, 18476), (5662, 16120), (5890, 15496), (5960, 15314), (6448, 14155), (7657, 11920), (7748, 11780), (8060, 11324), (9238, 9880), (9424, 9685)]