313883680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:591

約数の個数: 144

約数和(自身を含む): 842994432

約数和(自身を除く): 529110752

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 341, 352, 440, 484, 496, 523, 605, 620, 682, 880, 968, 992, 1046, 1210, 1240, 1364, 1705, 1760, 1936, 2092, 2420, 2480, 2615, 2728, 3410, 3751, 3872, 4184, 4840, 4960, 5230, 5456, 5753, 6820, 7502, 8368, 9680, 10460, 10912, 11506, 13640, 15004, 16213, 16736, 18755, 19360, 20920, 23012, 27280, 28765, 30008, 32426, 37510, 41840, 46024, 54560, 57530, 60016, 63283, 64852, 75020, 81065, 83680, 92048, 115060, 120032, 126566, 129704, 150040, 162130, 178343, 184096, 230120, 253132, 259408, 300080, 316415, 324260, 356686, 460240, 506264, 518816, 600160, 632830, 648520, 713372, 891715, 920480, 1012528, 1265660, 1297040, 1426744, 1783430, 1961773, 2025056, 2531320, 2594080, 2853488, 3566860, 3923546, 5062640, 5706976, 7133720, 7847092, 9808865, 10125280, 14267440, 15694184, 19617730, 28534880, 31388368, 39235460, 62776736, 78470920, 156941840, 313883680]

約数ペア:

[(1, 313883680), (2, 156941840), (4, 78470920), (5, 62776736), (8, 39235460), (10, 31388368), (11, 28534880), (16, 19617730), (20, 15694184), (22, 14267440), (31, 10125280), (32, 9808865), (40, 7847092), (44, 7133720), (55, 5706976), (62, 5062640), (80, 3923546), (88, 3566860), (110, 2853488), (121, 2594080), (124, 2531320), (155, 2025056), (160, 1961773), (176, 1783430), (220, 1426744), (242, 1297040), (248, 1265660), (310, 1012528), (341, 920480), (352, 891715), (440, 713372), (484, 648520), (496, 632830), (523, 600160), (605, 518816), (620, 506264), (682, 460240), (880, 356686), (968, 324260), (992, 316415), (1046, 300080), (1210, 259408), (1240, 253132), (1364, 230120), (1705, 184096), (1760, 178343), (1936, 162130), (2092, 150040), (2420, 129704), (2480, 126566), (2615, 120032), (2728, 115060), (3410, 92048), (3751, 83680), (3872, 81065), (4184, 75020), (4840, 64852), (4960, 63283), (5230, 60016), (5456, 57530), (5753, 54560), (6820, 46024), (7502, 41840), (8368, 37510), (9680, 32426), (10460, 30008), (10912, 28765), (11506, 27280), (13640, 23012), (15004, 20920), (16213, 19360), (16736, 18755)]