16720440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 39266760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 53, 55, 60, 66, 88, 106, 110, 120, 132, 159, 165, 212, 220, 239, 264, 265, 318, 330, 424, 440, 478, 530, 583, 636, 660, 717, 795, 956, 1060, 1166, 1195, 1272, 1320, 1434, 1590, 1749, 1912, 2120, 2332, 2390, 2629, 2868, 2915, 3180, 3498, 3585, 4664, 4780, 5258, 5736, 5830, 6360, 6996, 7170, 7887, 8745, 9560, 10516, 11660, 12667, 13145, 13992, 14340, 15774, 17490, 21032, 23320, 25334, 26290, 28680, 31548, 34980, 38001, 39435, 50668, 52580, 63096, 63335, 69960, 76002, 78870, 101336, 105160, 126670, 139337, 152004, 157740, 190005, 253340, 278674, 304008, 315480, 380010, 418011, 506680, 557348, 696685, 760020, 836022, 1114696, 1393370, 1520040, 1672044, 2090055, 2786740, 3344088, 4180110, 5573480, 8360220, 16720440]

約数ペア:

[(1, 16720440), (2, 8360220), (3, 5573480), (4, 4180110), (5, 3344088), (6, 2786740), (8, 2090055), (10, 1672044), (11, 1520040), (12, 1393370), (15, 1114696), (20, 836022), (22, 760020), (24, 696685), (30, 557348), (33, 506680), (40, 418011), (44, 380010), (53, 315480), (55, 304008), (60, 278674), (66, 253340), (88, 190005), (106, 157740), (110, 152004), (120, 139337), (132, 126670), (159, 105160), (165, 101336), (212, 78870), (220, 76002), (239, 69960), (264, 63335), (265, 63096), (318, 52580), (330, 50668), (424, 39435), (440, 38001), (478, 34980), (530, 31548), (583, 28680), (636, 26290), (660, 25334), (717, 23320), (795, 21032), (956, 17490), (1060, 15774), (1166, 14340), (1195, 13992), (1272, 13145), (1320, 12667), (1434, 11660), (1590, 10516), (1749, 9560), (1912, 8745), (2120, 7887), (2332, 7170), (2390, 6996), (2629, 6360), (2868, 5830), (2915, 5736), (3180, 5258), (3498, 4780), (3585, 4664)]