19923886920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2399}}^1\times {\mathrm{9887}}^1$

素因数の和:12307

約数の個数: 128

約数和(自身を含む): 68345856000

約数和(自身を除く): 48421969080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2399, 4798, 7197, 9596, 9887, 11995, 14394, 16793, 19192, 19774, 23990, 28788, 29661, 33586, 35985, 39548, 47980, 49435, 50379, 57576, 59322, 67172, 69209, 71970, 79096, 83965, 95960, 98870, 100758, 118644, 134344, 138418, 143940, 148305, 167930, 197740, 201516, 207627, 237288, 251895, 276836, 287880, 296610, 335860, 346045, 395480, 403032, 415254, 503790, 553672, 593220, 671720, 692090, 830508, 1007580, 1038135, 1186440, 1384180, 1661016, 2015160, 2076270, 2768360, 4152540, 8305080, 23718913, 47437826, 71156739, 94875652, 118594565, 142313478, 166032391, 189751304, 237189130, 284626956, 332064782, 355783695, 474378260, 498097173, 569253912, 664129564, 711567390, 830161955, 948756520, 996194346, 1328259128, 1423134780, 1660323910, 1992388692, 2490485865, 2846269560, 3320647820, 3984777384, 4980971730, 6641295640, 9961943460, 19923886920]

約数ペア:

[(1, 19923886920), (2, 9961943460), (3, 6641295640), (4, 4980971730), (5, 3984777384), (6, 3320647820), (7, 2846269560), (8, 2490485865), (10, 1992388692), (12, 1660323910), (14, 1423134780), (15, 1328259128), (20, 996194346), (21, 948756520), (24, 830161955), (28, 711567390), (30, 664129564), (35, 569253912), (40, 498097173), (42, 474378260), (56, 355783695), (60, 332064782), (70, 284626956), (84, 237189130), (105, 189751304), (120, 166032391), (140, 142313478), (168, 118594565), (210, 94875652), (280, 71156739), (420, 47437826), (840, 23718913), (2399, 8305080), (4798, 4152540), (7197, 2768360), (9596, 2076270), (9887, 2015160), (11995, 1661016), (14394, 1384180), (16793, 1186440), (19192, 1038135), (19774, 1007580), (23990, 830508), (28788, 692090), (29661, 671720), (33586, 593220), (35985, 553672), (39548, 503790), (47980, 415254), (49435, 403032), (50379, 395480), (57576, 346045), (59322, 335860), (67172, 296610), (69209, 287880), (71970, 276836), (79096, 251895), (83965, 237288), (95960, 207627), (98870, 201516), (100758, 197740), (118644, 167930), (134344, 148305), (138418, 143940)]