205444320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1481}}^1$

素因数の和:1533

約数の個数: 144

約数和(自身を含む): 687920688

約数和(自身を除く): 482476368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 289, 340, 408, 480, 510, 544, 578, 680, 816, 867, 1020, 1156, 1360, 1445, 1481, 1632, 1734, 2040, 2312, 2720, 2890, 2962, 3468, 4080, 4335, 4443, 4624, 5780, 5924, 6936, 7405, 8160, 8670, 8886, 9248, 11560, 11848, 13872, 14810, 17340, 17772, 22215, 23120, 23696, 25177, 27744, 29620, 34680, 35544, 44430, 46240, 47392, 50354, 59240, 69360, 71088, 75531, 88860, 100708, 118480, 125885, 138720, 142176, 151062, 177720, 201416, 236960, 251770, 302124, 355440, 377655, 402832, 428009, 503540, 604248, 710880, 755310, 805664, 856018, 1007080, 1208496, 1284027, 1510620, 1712036, 2014160, 2140045, 2416992, 2568054, 3021240, 3424072, 4028320, 4280090, 5136108, 6042480, 6420135, 6848144, 8560180, 10272216, 12084960, 12840270, 13696288, 17120360, 20544432, 25680540, 34240720, 41088864, 51361080, 68481440, 102722160, 205444320]

約数ペア:

[(1, 205444320), (2, 102722160), (3, 68481440), (4, 51361080), (5, 41088864), (6, 34240720), (8, 25680540), (10, 20544432), (12, 17120360), (15, 13696288), (16, 12840270), (17, 12084960), (20, 10272216), (24, 8560180), (30, 6848144), (32, 6420135), (34, 6042480), (40, 5136108), (48, 4280090), (51, 4028320), (60, 3424072), (68, 3021240), (80, 2568054), (85, 2416992), (96, 2140045), (102, 2014160), (120, 1712036), (136, 1510620), (160, 1284027), (170, 1208496), (204, 1007080), (240, 856018), (255, 805664), (272, 755310), (289, 710880), (340, 604248), (408, 503540), (480, 428009), (510, 402832), (544, 377655), (578, 355440), (680, 302124), (816, 251770), (867, 236960), (1020, 201416), (1156, 177720), (1360, 151062), (1445, 142176), (1481, 138720), (1632, 125885), (1734, 118480), (2040, 100708), (2312, 88860), (2720, 75531), (2890, 71088), (2962, 69360), (3468, 59240), (4080, 50354), (4335, 47392), (4443, 46240), (4624, 44430), (5780, 35544), (5924, 34680), (6936, 29620), (7405, 27744), (8160, 25177), (8670, 23696), (8886, 23120), (9248, 22215), (11560, 17772), (11848, 17340), (13872, 14810)]