655748510720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{68821}}^1$

素因数の和:70707

約数の個数: 88

約数和(自身を含む): 1573896099048

約数和(自身を除く): 918147588328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1861, 2560, 3722, 5120, 7444, 9305, 14888, 18610, 29776, 37220, 59552, 68821, 74440, 119104, 137642, 148880, 238208, 275284, 297760, 344105, 476416, 550568, 595520, 688210, 952832, 1101136, 1191040, 1376420, 1905664, 2202272, 2382080, 2752840, 4404544, 4764160, 5505680, 8809088, 9528320, 11011360, 17618176, 22022720, 35236352, 44045440, 70472704, 88090880, 128075881, 176181760, 256151762, 352363520, 512303524, 640379405, 1024607048, 1280758810, 2049214096, 2561517620, 4098428192, 5123035240, 8196856384, 10246070480, 16393712768, 20492140960, 32787425536, 40984281920, 65574851072, 81968563840, 131149702144, 163937127680, 327874255360, 655748510720]

約数ペア:

[(1, 655748510720), (2, 327874255360), (4, 163937127680), (5, 131149702144), (8, 81968563840), (10, 65574851072), (16, 40984281920), (20, 32787425536), (32, 20492140960), (40, 16393712768), (64, 10246070480), (80, 8196856384), (128, 5123035240), (160, 4098428192), (256, 2561517620), (320, 2049214096), (512, 1280758810), (640, 1024607048), (1024, 640379405), (1280, 512303524), (1861, 352363520), (2560, 256151762), (3722, 176181760), (5120, 128075881), (7444, 88090880), (9305, 70472704), (14888, 44045440), (18610, 35236352), (29776, 22022720), (37220, 17618176), (59552, 11011360), (68821, 9528320), (74440, 8809088), (119104, 5505680), (137642, 4764160), (148880, 4404544), (238208, 2752840), (275284, 2382080), (297760, 2202272), (344105, 1905664), (476416, 1376420), (550568, 1191040), (595520, 1101136), (688210, 952832)]