172845960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1381}}^1$

素因数の和:1551

約数の個数: 128

約数和(自身を含む): 597024000

約数和(自身を除く): 424178040

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, 149, 168, 210, 280, 298, 420, 447, 596, 745, 840, 894, 1043, 1192, 1381, 1490, 1788, 2086, 2235, 2762, 2980, 3129, 3576, 4143, 4172, 4470, 5215, 5524, 5960, 6258, 6905, 8286, 8344, 8940, 9667, 10430, 11048, 12516, 13810, 15645, 16572, 17880, 19334, 20715, 20860, 25032, 27620, 29001, 31290, 33144, 38668, 41430, 41720, 48335, 55240, 58002, 62580, 77336, 82860, 96670, 116004, 125160, 145005, 165720, 193340, 205769, 232008, 290010, 386680, 411538, 580020, 617307, 823076, 1028845, 1160040, 1234614, 1440383, 1646152, 2057690, 2469228, 2880766, 3086535, 4115380, 4321149, 4938456, 5761532, 6173070, 7201915, 8230760, 8642298, 11523064, 12346140, 14403830, 17284596, 21605745, 24692280, 28807660, 34569192, 43211490, 57615320, 86422980, 172845960]

約数ペア:

[(1, 172845960), (2, 86422980), (3, 57615320), (4, 43211490), (5, 34569192), (6, 28807660), (7, 24692280), (8, 21605745), (10, 17284596), (12, 14403830), (14, 12346140), (15, 11523064), (20, 8642298), (21, 8230760), (24, 7201915), (28, 6173070), (30, 5761532), (35, 4938456), (40, 4321149), (42, 4115380), (56, 3086535), (60, 2880766), (70, 2469228), (84, 2057690), (105, 1646152), (120, 1440383), (140, 1234614), (149, 1160040), (168, 1028845), (210, 823076), (280, 617307), (298, 580020), (420, 411538), (447, 386680), (596, 290010), (745, 232008), (840, 205769), (894, 193340), (1043, 165720), (1192, 145005), (1381, 125160), (1490, 116004), (1788, 96670), (2086, 82860), (2235, 77336), (2762, 62580), (2980, 58002), (3129, 55240), (3576, 48335), (4143, 41720), (4172, 41430), (4470, 38668), (5215, 33144), (5524, 31290), (5960, 29001), (6258, 27620), (6905, 25032), (8286, 20860), (8344, 20715), (8940, 19334), (9667, 17880), (10430, 16572), (11048, 15645), (12516, 13810)]