215309520

素因数分解:

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

素因数の和:15777

約数の個数: 120

約数和(自身を含む): 761186400

約数和(自身を除く): 545876880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 15739, 31478, 47217, 62956, 78695, 94434, 125912, 141651, 157390, 188868, 236085, 251824, 283302, 299041, 314780, 377736, 472170, 566604, 598082, 629560, 708255, 755472, 897123, 944340, 1133208, 1196164, 1259120, 1416510, 1495205, 1794246, 1888680, 2266416, 2392328, 2691369, 2833020, 2990410, 3588492, 3777360, 4485615, 4784656, 5382738, 5666040, 5980820, 7176984, 8971230, 10765476, 11332080, 11961640, 13456845, 14353968, 17942460, 21530952, 23923280, 26913690, 35884920, 43061904, 53827380, 71769840, 107654760, 215309520]

約数ペア:

[(1, 215309520), (2, 107654760), (3, 71769840), (4, 53827380), (5, 43061904), (6, 35884920), (8, 26913690), (9, 23923280), (10, 21530952), (12, 17942460), (15, 14353968), (16, 13456845), (18, 11961640), (19, 11332080), (20, 10765476), (24, 8971230), (30, 7176984), (36, 5980820), (38, 5666040), (40, 5382738), (45, 4784656), (48, 4485615), (57, 3777360), (60, 3588492), (72, 2990410), (76, 2833020), (80, 2691369), (90, 2392328), (95, 2266416), (114, 1888680), (120, 1794246), (144, 1495205), (152, 1416510), (171, 1259120), (180, 1196164), (190, 1133208), (228, 944340), (240, 897123), (285, 755472), (304, 708255), (342, 629560), (360, 598082), (380, 566604), (456, 472170), (570, 377736), (684, 314780), (720, 299041), (760, 283302), (855, 251824), (912, 236085), (1140, 188868), (1368, 157390), (1520, 141651), (1710, 125912), (2280, 94434), (2736, 78695), (3420, 62956), (4560, 47217), (6840, 31478), (13680, 15739)]