172977520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3671}}^1$

素因数の和:3734

約数の個数: 80

約数和(自身を含む): 437114880

約数和(自身を除く): 264137360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 3671, 4712, 5890, 7342, 9424, 11780, 14684, 18355, 23560, 29368, 36710, 47120, 58736, 69749, 73420, 113801, 139498, 146840, 227602, 278996, 293680, 348745, 455204, 557992, 569005, 697490, 910408, 1115984, 1138010, 1394980, 1820816, 2162219, 2276020, 2789960, 4324438, 4552040, 5579920, 8648876, 9104080, 10811095, 17297752, 21622190, 34595504, 43244380, 86488760, 172977520]

約数ペア:

[(1, 172977520), (2, 86488760), (4, 43244380), (5, 34595504), (8, 21622190), (10, 17297752), (16, 10811095), (19, 9104080), (20, 8648876), (31, 5579920), (38, 4552040), (40, 4324438), (62, 2789960), (76, 2276020), (80, 2162219), (95, 1820816), (124, 1394980), (152, 1138010), (155, 1115984), (190, 910408), (248, 697490), (304, 569005), (310, 557992), (380, 455204), (496, 348745), (589, 293680), (620, 278996), (760, 227602), (1178, 146840), (1240, 139498), (1520, 113801), (2356, 73420), (2480, 69749), (2945, 58736), (3671, 47120), (4712, 36710), (5890, 29368), (7342, 23560), (9424, 18355), (11780, 14684)]