641956320

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{821}}^1$

素因数の和:1026

約数の個数: 192

約数和(自身を含む): 2262012480

約数和(自身を除く): 1620056160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 181, 216, 240, 270, 288, 360, 362, 432, 480, 540, 543, 720, 724, 821, 864, 905, 1080, 1086, 1440, 1448, 1629, 1642, 1810, 2160, 2172, 2463, 2715, 2896, 3258, 3284, 3620, 4105, 4320, 4344, 4887, 4926, 5430, 5792, 6516, 6568, 7240, 7389, 8145, 8210, 8688, 9774, 9852, 10860, 12315, 13032, 13136, 14480, 14778, 16290, 16420, 17376, 19548, 19704, 21720, 22167, 24435, 24630, 26064, 26272, 28960, 29556, 32580, 32840, 36945, 39096, 39408, 43440, 44334, 48870, 49260, 52128, 59112, 65160, 65680, 73890, 78192, 78816, 86880, 88668, 97740, 98520, 110835, 118224, 130320, 131360, 147780, 148601, 156384, 177336, 195480, 197040, 221670, 236448, 260640, 295560, 297202, 354672, 390960, 394080, 443340, 445803, 591120, 594404, 709344, 743005, 781920, 886680, 891606, 1182240, 1188808, 1337409, 1486010, 1773360, 1783212, 2229015, 2377616, 2674818, 2972020, 3546720, 3566424, 4012227, 4458030, 4755232, 5349636, 5944040, 6687045, 7132848, 8024454, 8916060, 10699272, 11888080, 13374090, 14265696, 16048908, 17832120, 20061135, 21398544, 23776160, 26748180, 32097816, 35664240, 40122270, 42797088, 53496360, 64195632, 71328480, 80244540, 106992720, 128391264, 160489080, 213985440, 320978160, 641956320]

約数ペア:

[(1, 641956320), (2, 320978160), (3, 213985440), (4, 160489080), (5, 128391264), (6, 106992720), (8, 80244540), (9, 71328480), (10, 64195632), (12, 53496360), (15, 42797088), (16, 40122270), (18, 35664240), (20, 32097816), (24, 26748180), (27, 23776160), (30, 21398544), (32, 20061135), (36, 17832120), (40, 16048908), (45, 14265696), (48, 13374090), (54, 11888080), (60, 10699272), (72, 8916060), (80, 8024454), (90, 7132848), (96, 6687045), (108, 5944040), (120, 5349636), (135, 4755232), (144, 4458030), (160, 4012227), (180, 3566424), (181, 3546720), (216, 2972020), (240, 2674818), (270, 2377616), (288, 2229015), (360, 1783212), (362, 1773360), (432, 1486010), (480, 1337409), (540, 1188808), (543, 1182240), (720, 891606), (724, 886680), (821, 781920), (864, 743005), (905, 709344), (1080, 594404), (1086, 591120), (1440, 445803), (1448, 443340), (1629, 394080), (1642, 390960), (1810, 354672), (2160, 297202), (2172, 295560), (2463, 260640), (2715, 236448), (2896, 221670), (3258, 197040), (3284, 195480), (3620, 177336), (4105, 156384), (4320, 148601), (4344, 147780), (4887, 131360), (4926, 130320), (5430, 118224), (5792, 110835), (6516, 98520), (6568, 97740), (7240, 88668), (7389, 86880), (8145, 78816), (8210, 78192), (8688, 73890), (9774, 65680), (9852, 65160), (10860, 59112), (12315, 52128), (13032, 49260), (13136, 48870), (14480, 44334), (14778, 43440), (16290, 39408), (16420, 39096), (17376, 36945), (19548, 32840), (19704, 32580), (21720, 29556), (22167, 28960), (24435, 26272), (24630, 26064)]