257821920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1674

約数の個数: 192

約数和(自身を含む): 927339840

約数和(自身を除く): 669517920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 216, 222, 240, 270, 288, 296, 333, 360, 370, 432, 444, 480, 540, 555, 592, 666, 720, 740, 864, 888, 999, 1080, 1110, 1184, 1332, 1440, 1480, 1613, 1665, 1776, 1998, 2160, 2220, 2664, 2960, 3226, 3330, 3552, 3996, 4320, 4440, 4839, 4995, 5328, 5920, 6452, 6660, 7992, 8065, 8880, 9678, 9990, 10656, 12904, 13320, 14517, 15984, 16130, 17760, 19356, 19980, 24195, 25808, 26640, 29034, 31968, 32260, 38712, 39960, 43551, 48390, 51616, 53280, 58068, 59681, 64520, 72585, 77424, 79920, 87102, 96780, 116136, 119362, 129040, 145170, 154848, 159840, 174204, 179043, 193560, 217755, 232272, 238724, 258080, 290340, 298405, 348408, 358086, 387120, 435510, 464544, 477448, 537129, 580680, 596810, 696816, 716172, 774240, 871020, 895215, 954896, 1074258, 1161360, 1193620, 1393632, 1432344, 1611387, 1742040, 1790430, 1909792, 2148516, 2322720, 2387240, 2685645, 2864688, 3222774, 3484080, 3580860, 4297032, 4774480, 5371290, 5729376, 6445548, 6968160, 7161720, 8056935, 8594064, 9548960, 10742580, 12891096, 14323440, 16113870, 17188128, 21485160, 25782192, 28646880, 32227740, 42970320, 51564384, 64455480, 85940640, 128910960, 257821920]

約数ペア:

[(1, 257821920), (2, 128910960), (3, 85940640), (4, 64455480), (5, 51564384), (6, 42970320), (8, 32227740), (9, 28646880), (10, 25782192), (12, 21485160), (15, 17188128), (16, 16113870), (18, 14323440), (20, 12891096), (24, 10742580), (27, 9548960), (30, 8594064), (32, 8056935), (36, 7161720), (37, 6968160), (40, 6445548), (45, 5729376), (48, 5371290), (54, 4774480), (60, 4297032), (72, 3580860), (74, 3484080), (80, 3222774), (90, 2864688), (96, 2685645), (108, 2387240), (111, 2322720), (120, 2148516), (135, 1909792), (144, 1790430), (148, 1742040), (160, 1611387), (180, 1432344), (185, 1393632), (216, 1193620), (222, 1161360), (240, 1074258), (270, 954896), (288, 895215), (296, 871020), (333, 774240), (360, 716172), (370, 696816), (432, 596810), (444, 580680), (480, 537129), (540, 477448), (555, 464544), (592, 435510), (666, 387120), (720, 358086), (740, 348408), (864, 298405), (888, 290340), (999, 258080), (1080, 238724), (1110, 232272), (1184, 217755), (1332, 193560), (1440, 179043), (1480, 174204), (1613, 159840), (1665, 154848), (1776, 145170), (1998, 129040), (2160, 119362), (2220, 116136), (2664, 96780), (2960, 87102), (3226, 79920), (3330, 77424), (3552, 72585), (3996, 64520), (4320, 59681), (4440, 58068), (4839, 53280), (4995, 51616), (5328, 48390), (5920, 43551), (6452, 39960), (6660, 38712), (7992, 32260), (8065, 31968), (8880, 29034), (9678, 26640), (9990, 25808), (10656, 24195), (12904, 19980), (13320, 19356), (14517, 17760), (15984, 16130)]