645928560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15739}}^1$

素因数の和:15780

約数の個数: 160

約数和(自身を含む): 2342112000

約数和(自身を除く): 1696183440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 5130, 6840, 8208, 10260, 13680, 15739, 20520, 31478, 41040, 47217, 62956, 78695, 94434, 125912, 141651, 157390, 188868, 236085, 251824, 283302, 299041, 314780, 377736, 424953, 472170, 566604, 598082, 629560, 708255, 755472, 849906, 897123, 944340, 1133208, 1196164, 1259120, 1416510, 1495205, 1699812, 1794246, 1888680, 2124765, 2266416, 2392328, 2691369, 2833020, 2990410, 3399624, 3588492, 3777360, 4249530, 4485615, 4784656, 5382738, 5666040, 5980820, 6799248, 7176984, 8074107, 8499060, 8971230, 10765476, 11332080, 11961640, 13456845, 14353968, 16148214, 16998120, 17942460, 21530952, 23923280, 26913690, 32296428, 33996240, 35884920, 40370535, 43061904, 53827380, 64592856, 71769840, 80741070, 107654760, 129185712, 161482140, 215309520, 322964280, 645928560]

約数ペア:

[(1, 645928560), (2, 322964280), (3, 215309520), (4, 161482140), (5, 129185712), (6, 107654760), (8, 80741070), (9, 71769840), (10, 64592856), (12, 53827380), (15, 43061904), (16, 40370535), (18, 35884920), (19, 33996240), (20, 32296428), (24, 26913690), (27, 23923280), (30, 21530952), (36, 17942460), (38, 16998120), (40, 16148214), (45, 14353968), (48, 13456845), (54, 11961640), (57, 11332080), (60, 10765476), (72, 8971230), (76, 8499060), (80, 8074107), (90, 7176984), (95, 6799248), (108, 5980820), (114, 5666040), (120, 5382738), (135, 4784656), (144, 4485615), (152, 4249530), (171, 3777360), (180, 3588492), (190, 3399624), (216, 2990410), (228, 2833020), (240, 2691369), (270, 2392328), (285, 2266416), (304, 2124765), (342, 1888680), (360, 1794246), (380, 1699812), (432, 1495205), (456, 1416510), (513, 1259120), (540, 1196164), (570, 1133208), (684, 944340), (720, 897123), (760, 849906), (855, 755472), (912, 708255), (1026, 629560), (1080, 598082), (1140, 566604), (1368, 472170), (1520, 424953), (1710, 377736), (2052, 314780), (2160, 299041), (2280, 283302), (2565, 251824), (2736, 236085), (3420, 188868), (4104, 157390), (4560, 141651), (5130, 125912), (6840, 94434), (8208, 78695), (10260, 62956), (13680, 47217), (15739, 41040), (20520, 31478)]