1620199467640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{324593}}^1$

素因数の和:324977

約数の個数: 128

約数和(自身を含む): 4073524862400

約数和(自身を除く): 2453325394760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 331, 377, 520, 580, 662, 754, 1160, 1324, 1508, 1655, 1885, 2648, 3016, 3310, 3770, 4303, 6620, 7540, 8606, 9599, 13240, 15080, 17212, 19198, 21515, 34424, 38396, 43030, 47995, 76792, 86060, 95990, 124787, 172120, 191980, 249574, 324593, 383960, 499148, 623935, 649186, 998296, 1247870, 1298372, 1622965, 2495740, 2596744, 3245930, 4219709, 4991480, 6491860, 8439418, 9413197, 12983720, 16878836, 18826394, 21098545, 33757672, 37652788, 42197090, 47065985, 75305576, 84394180, 94131970, 107440283, 122371561, 168788360, 188263940, 214880566, 244743122, 376527880, 429761132, 489486244, 537201415, 611857805, 859522264, 978972488, 1074402830, 1223715610, 1396723679, 2148805660, 2447431220, 2793447358, 3115768207, 4297611320, 4894862440, 5586894716, 6231536414, 6983618395, 11173789432, 12463072828, 13967236790, 15578841035, 24926145656, 27934473580, 31157682070, 40504986691, 55868947160, 62315364140, 81009973382, 124630728280, 162019946764, 202524933455, 324039893528, 405049866910, 810099733820, 1620199467640]

約数ペア:

[(1, 1620199467640), (2, 810099733820), (4, 405049866910), (5, 324039893528), (8, 202524933455), (10, 162019946764), (13, 124630728280), (20, 81009973382), (26, 62315364140), (29, 55868947160), (40, 40504986691), (52, 31157682070), (58, 27934473580), (65, 24926145656), (104, 15578841035), (116, 13967236790), (130, 12463072828), (145, 11173789432), (232, 6983618395), (260, 6231536414), (290, 5586894716), (331, 4894862440), (377, 4297611320), (520, 3115768207), (580, 2793447358), (662, 2447431220), (754, 2148805660), (1160, 1396723679), (1324, 1223715610), (1508, 1074402830), (1655, 978972488), (1885, 859522264), (2648, 611857805), (3016, 537201415), (3310, 489486244), (3770, 429761132), (4303, 376527880), (6620, 244743122), (7540, 214880566), (8606, 188263940), (9599, 168788360), (13240, 122371561), (15080, 107440283), (17212, 94131970), (19198, 84394180), (21515, 75305576), (34424, 47065985), (38396, 42197090), (43030, 37652788), (47995, 33757672), (76792, 21098545), (86060, 18826394), (95990, 16878836), (124787, 12983720), (172120, 9413197), (191980, 8439418), (249574, 6491860), (324593, 4991480), (383960, 4219709), (499148, 3245930), (623935, 2596744), (649186, 2495740), (998296, 1622965), (1247870, 1298372)]