81613306840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{2927}}^1$

素因数の和:3066

約数の個数: 192

約数和(自身を含む): 209514211200

約数和(自身を除く): 127900904360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 43, 52, 58, 65, 86, 104, 116, 130, 145, 172, 215, 232, 260, 290, 344, 377, 430, 520, 559, 580, 754, 860, 1118, 1160, 1247, 1508, 1720, 1849, 1885, 2236, 2494, 2795, 2927, 3016, 3698, 3770, 4472, 4988, 5590, 5854, 6235, 7396, 7540, 9245, 9976, 11180, 11708, 12470, 14635, 14792, 15080, 16211, 18490, 22360, 23416, 24037, 24940, 29270, 32422, 36980, 38051, 48074, 49880, 53621, 58540, 64844, 73960, 76102, 81055, 84883, 96148, 107242, 117080, 120185, 125861, 129688, 152204, 162110, 169766, 190255, 192296, 214484, 240370, 251722, 268105, 304408, 324220, 339532, 380510, 424415, 428968, 480740, 503444, 536210, 629305, 648440, 679064, 697073, 761020, 848830, 961480, 1006888, 1072420, 1103479, 1258610, 1394146, 1522040, 1636193, 1697660, 2144840, 2206958, 2517220, 2788292, 3272386, 3395320, 3485365, 3649969, 4413916, 5034440, 5412023, 5517395, 5576584, 6544772, 6970730, 7299938, 8180965, 8827832, 10824046, 11034790, 13089544, 13941460, 14599876, 16361930, 18249845, 21648092, 22069580, 27060115, 27882920, 29199752, 32723860, 36499690, 43296184, 44139160, 47449597, 54120230, 65447720, 70356299, 72999380, 94899194, 108240460, 140712598, 145998760, 156948667, 189798388, 216480920, 237247985, 281425196, 313897334, 351781495, 379596776, 474495970, 562850392, 627794668, 703562990, 784743335, 948991940, 1255589336, 1407125980, 1569486670, 1897983880, 2040332671, 2814251960, 3138973340, 4080665342, 6277946680, 8161330684, 10201663355, 16322661368, 20403326710, 40806653420, 81613306840]

約数ペア:

[(1, 81613306840), (2, 40806653420), (4, 20403326710), (5, 16322661368), (8, 10201663355), (10, 8161330684), (13, 6277946680), (20, 4080665342), (26, 3138973340), (29, 2814251960), (40, 2040332671), (43, 1897983880), (52, 1569486670), (58, 1407125980), (65, 1255589336), (86, 948991940), (104, 784743335), (116, 703562990), (130, 627794668), (145, 562850392), (172, 474495970), (215, 379596776), (232, 351781495), (260, 313897334), (290, 281425196), (344, 237247985), (377, 216480920), (430, 189798388), (520, 156948667), (559, 145998760), (580, 140712598), (754, 108240460), (860, 94899194), (1118, 72999380), (1160, 70356299), (1247, 65447720), (1508, 54120230), (1720, 47449597), (1849, 44139160), (1885, 43296184), (2236, 36499690), (2494, 32723860), (2795, 29199752), (2927, 27882920), (3016, 27060115), (3698, 22069580), (3770, 21648092), (4472, 18249845), (4988, 16361930), (5590, 14599876), (5854, 13941460), (6235, 13089544), (7396, 11034790), (7540, 10824046), (9245, 8827832), (9976, 8180965), (11180, 7299938), (11708, 6970730), (12470, 6544772), (14635, 5576584), (14792, 5517395), (15080, 5412023), (16211, 5034440), (18490, 4413916), (22360, 3649969), (23416, 3485365), (24037, 3395320), (24940, 3272386), (29270, 2788292), (32422, 2517220), (36980, 2206958), (38051, 2144840), (48074, 1697660), (49880, 1636193), (53621, 1522040), (58540, 1394146), (64844, 1258610), (73960, 1103479), (76102, 1072420), (81055, 1006888), (84883, 961480), (96148, 848830), (107242, 761020), (117080, 697073), (120185, 679064), (125861, 648440), (129688, 629305), (152204, 536210), (162110, 503444), (169766, 480740), (190255, 428968), (192296, 424415), (214484, 380510), (240370, 339532), (251722, 324220), (268105, 304408)]