320464560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7901}}^1$

素因数の和:7943

約数の個数: 120

約数和(自身を含む): 1075873104

約数和(自身を除く): 755408544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2028, 2535, 2704, 3120, 3380, 4056, 5070, 6760, 7901, 8112, 10140, 13520, 15802, 20280, 23703, 31604, 39505, 40560, 47406, 63208, 79010, 94812, 102713, 118515, 126416, 158020, 189624, 205426, 237030, 308139, 316040, 379248, 410852, 474060, 513565, 616278, 632080, 821704, 948120, 1027130, 1232556, 1335269, 1540695, 1643408, 1896240, 2054260, 2465112, 2670538, 3081390, 4005807, 4108520, 4930224, 5341076, 6162780, 6676345, 8011614, 8217040, 10682152, 12325560, 13352690, 16023228, 20029035, 21364304, 24651120, 26705380, 32046456, 40058070, 53410760, 64092912, 80116140, 106821520, 160232280, 320464560]

約数ペア:

[(1, 320464560), (2, 160232280), (3, 106821520), (4, 80116140), (5, 64092912), (6, 53410760), (8, 40058070), (10, 32046456), (12, 26705380), (13, 24651120), (15, 21364304), (16, 20029035), (20, 16023228), (24, 13352690), (26, 12325560), (30, 10682152), (39, 8217040), (40, 8011614), (48, 6676345), (52, 6162780), (60, 5341076), (65, 4930224), (78, 4108520), (80, 4005807), (104, 3081390), (120, 2670538), (130, 2465112), (156, 2054260), (169, 1896240), (195, 1643408), (208, 1540695), (240, 1335269), (260, 1232556), (312, 1027130), (338, 948120), (390, 821704), (507, 632080), (520, 616278), (624, 513565), (676, 474060), (780, 410852), (845, 379248), (1014, 316040), (1040, 308139), (1352, 237030), (1560, 205426), (1690, 189624), (2028, 158020), (2535, 126416), (2704, 118515), (3120, 102713), (3380, 94812), (4056, 79010), (5070, 63208), (6760, 47406), (7901, 40560), (8112, 39505), (10140, 31604), (13520, 23703), (15802, 20280)]