215907900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 288

約数和(自身を含む): 734952960

約数和(自身を除く): 519045060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 25, 26, 29, 30, 39, 46, 50, 52, 58, 60, 65, 69, 75, 78, 83, 87, 92, 100, 115, 116, 130, 138, 145, 150, 156, 166, 174, 195, 230, 249, 260, 276, 290, 299, 300, 325, 332, 345, 348, 377, 390, 415, 435, 460, 498, 575, 580, 598, 650, 667, 690, 725, 754, 780, 830, 870, 897, 975, 996, 1079, 1131, 1150, 1196, 1245, 1300, 1334, 1380, 1450, 1495, 1508, 1660, 1725, 1740, 1794, 1885, 1909, 1950, 2001, 2075, 2158, 2175, 2262, 2300, 2407, 2490, 2668, 2900, 2990, 3237, 3335, 3450, 3588, 3770, 3818, 3900, 4002, 4150, 4316, 4350, 4485, 4524, 4814, 4980, 5395, 5655, 5727, 5980, 6225, 6474, 6670, 6900, 7221, 7475, 7540, 7636, 8004, 8300, 8671, 8700, 8970, 9425, 9545, 9628, 10005, 10790, 11310, 11454, 12035, 12450, 12948, 13340, 14442, 14950, 16185, 16675, 17342, 17940, 18850, 19090, 20010, 21580, 22425, 22620, 22908, 24070, 24817, 24900, 26013, 26975, 28275, 28635, 28884, 29900, 31291, 32370, 33350, 34684, 36105, 37700, 38180, 40020, 43355, 44850, 47725, 48140, 49634, 50025, 52026, 53950, 55361, 56550, 57270, 60175, 62582, 64740, 66700, 72210, 74451, 80925, 86710, 89700, 93873, 95450, 99268, 100050, 104052, 107900, 110722, 113100, 114540, 120350, 124085, 125164, 130065, 143175, 144420, 148902, 156455, 161850, 166083, 173420, 180525, 187746, 190900, 200100, 216775, 221444, 240700, 248170, 260130, 276805, 286350, 297804, 312910, 323700, 332166, 361050, 372255, 375492, 433550, 469365, 496340, 520260, 553610, 572700, 620425, 625820, 650325, 664332, 719693, 722100, 744510, 782275, 830415, 867100, 938730, 1107220, 1240850, 1300650, 1384025, 1439386, 1489020, 1564550, 1660830, 1861275, 1877460, 2159079, 2346825, 2481700, 2601300, 2768050, 2878772, 3129100, 3321660, 3598465, 3722550, 4152075, 4318158, 4693650, 5536100, 7196930, 7445100, 8304150, 8636316, 9387300, 10795395, 14393860, 16608300, 17992325, 21590790, 35984650, 43181580, 53976975, 71969300, 107953950, 215907900]

約数ペア:

[(1, 215907900), (2, 107953950), (3, 71969300), (4, 53976975), (5, 43181580), (6, 35984650), (10, 21590790), (12, 17992325), (13, 16608300), (15, 14393860), (20, 10795395), (23, 9387300), (25, 8636316), (26, 8304150), (29, 7445100), (30, 7196930), (39, 5536100), (46, 4693650), (50, 4318158), (52, 4152075), (58, 3722550), (60, 3598465), (65, 3321660), (69, 3129100), (75, 2878772), (78, 2768050), (83, 2601300), (87, 2481700), (92, 2346825), (100, 2159079), (115, 1877460), (116, 1861275), (130, 1660830), (138, 1564550), (145, 1489020), (150, 1439386), (156, 1384025), (166, 1300650), (174, 1240850), (195, 1107220), (230, 938730), (249, 867100), (260, 830415), (276, 782275), (290, 744510), (299, 722100), (300, 719693), (325, 664332), (332, 650325), (345, 625820), (348, 620425), (377, 572700), (390, 553610), (415, 520260), (435, 496340), (460, 469365), (498, 433550), (575, 375492), (580, 372255), (598, 361050), (650, 332166), (667, 323700), (690, 312910), (725, 297804), (754, 286350), (780, 276805), (830, 260130), (870, 248170), (897, 240700), (975, 221444), (996, 216775), (1079, 200100), (1131, 190900), (1150, 187746), (1196, 180525), (1245, 173420), (1300, 166083), (1334, 161850), (1380, 156455), (1450, 148902), (1495, 144420), (1508, 143175), (1660, 130065), (1725, 125164), (1740, 124085), (1794, 120350), (1885, 114540), (1909, 113100), (1950, 110722), (2001, 107900), (2075, 104052), (2158, 100050), (2175, 99268), (2262, 95450), (2300, 93873), (2407, 89700), (2490, 86710), (2668, 80925), (2900, 74451), (2990, 72210), (3237, 66700), (3335, 64740), (3450, 62582), (3588, 60175), (3770, 57270), (3818, 56550), (3900, 55361), (4002, 53950), (4150, 52026), (4316, 50025), (4350, 49634), (4485, 48140), (4524, 47725), (4814, 44850), (4980, 43355), (5395, 40020), (5655, 38180), (5727, 37700), (5980, 36105), (6225, 34684), (6474, 33350), (6670, 32370), (6900, 31291), (7221, 29900), (7475, 28884), (7540, 28635), (7636, 28275), (8004, 26975), (8300, 26013), (8671, 24900), (8700, 24817), (8970, 24070), (9425, 22908), (9545, 22620), (9628, 22425), (10005, 21580), (10790, 20010), (11310, 19090), (11454, 18850), (12035, 17940), (12450, 17342), (12948, 16675), (13340, 16185), (14442, 14950)]