639472320

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{24671}}^1$

素因数の和:24700

約数の個数: 140

約数和(自身を含む): 2274807744

約数和(自身を除く): 1635335424

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 24671, 25920, 49342, 74013, 98684, 123355, 148026, 197368, 222039, 246710, 296052, 370065, 394736, 444078, 493420, 592104, 666117, 740130, 789472, 888156, 986840, 1110195, 1184208, 1332234, 1480260, 1578944, 1776312, 1973680, 1998351, 2220390, 2368416, 2664468, 2960520, 3330585, 3552624, 3947360, 3996702, 4440780, 4736832, 5328936, 5921040, 6661170, 7105248, 7894720, 7993404, 8881560, 9991755, 10657872, 11842080, 13322340, 14210496, 15986808, 17763120, 19983510, 21315744, 23684160, 26644680, 31973616, 35526240, 39967020, 42631488, 53289360, 63947232, 71052480, 79934040, 106578720, 127894464, 159868080, 213157440, 319736160, 639472320]

約数ペア:

[(1, 639472320), (2, 319736160), (3, 213157440), (4, 159868080), (5, 127894464), (6, 106578720), (8, 79934040), (9, 71052480), (10, 63947232), (12, 53289360), (15, 42631488), (16, 39967020), (18, 35526240), (20, 31973616), (24, 26644680), (27, 23684160), (30, 21315744), (32, 19983510), (36, 17763120), (40, 15986808), (45, 14210496), (48, 13322340), (54, 11842080), (60, 10657872), (64, 9991755), (72, 8881560), (80, 7993404), (81, 7894720), (90, 7105248), (96, 6661170), (108, 5921040), (120, 5328936), (135, 4736832), (144, 4440780), (160, 3996702), (162, 3947360), (180, 3552624), (192, 3330585), (216, 2960520), (240, 2664468), (270, 2368416), (288, 2220390), (320, 1998351), (324, 1973680), (360, 1776312), (405, 1578944), (432, 1480260), (480, 1332234), (540, 1184208), (576, 1110195), (648, 986840), (720, 888156), (810, 789472), (864, 740130), (960, 666117), (1080, 592104), (1296, 493420), (1440, 444078), (1620, 394736), (1728, 370065), (2160, 296052), (2592, 246710), (2880, 222039), (3240, 197368), (4320, 148026), (5184, 123355), (6480, 98684), (8640, 74013), (12960, 49342), (24671, 25920)]