478989680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 1259919360

約数和(自身を除く): 780929680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 83, 104, 124, 130, 155, 166, 179, 208, 248, 260, 310, 332, 358, 403, 415, 496, 520, 620, 664, 716, 806, 830, 895, 1040, 1079, 1240, 1328, 1432, 1612, 1660, 1790, 2015, 2158, 2327, 2480, 2573, 2864, 3224, 3320, 3580, 4030, 4316, 4654, 5146, 5395, 5549, 6448, 6640, 7160, 8060, 8632, 9308, 10292, 10790, 11098, 11635, 12865, 14320, 14857, 16120, 17264, 18616, 20584, 21580, 22196, 23270, 25730, 27745, 29714, 32240, 33449, 37232, 41168, 43160, 44392, 46540, 51460, 55490, 59428, 66898, 72137, 74285, 86320, 88784, 93080, 102920, 110980, 118856, 133796, 144274, 148570, 167245, 186160, 193141, 205840, 221960, 237712, 267592, 288548, 297140, 334490, 360685, 386282, 443920, 460567, 535184, 577096, 594280, 668980, 721370, 772564, 921134, 965705, 1154192, 1188560, 1337960, 1442740, 1545128, 1842268, 1931410, 2302835, 2675920, 2885480, 3090256, 3684536, 3862820, 4605670, 5770960, 5987371, 7369072, 7725640, 9211340, 11974742, 15451280, 18422680, 23949484, 29936855, 36845360, 47898968, 59873710, 95797936, 119747420, 239494840, 478989680]

約数ペア:

[(1, 478989680), (2, 239494840), (4, 119747420), (5, 95797936), (8, 59873710), (10, 47898968), (13, 36845360), (16, 29936855), (20, 23949484), (26, 18422680), (31, 15451280), (40, 11974742), (52, 9211340), (62, 7725640), (65, 7369072), (80, 5987371), (83, 5770960), (104, 4605670), (124, 3862820), (130, 3684536), (155, 3090256), (166, 2885480), (179, 2675920), (208, 2302835), (248, 1931410), (260, 1842268), (310, 1545128), (332, 1442740), (358, 1337960), (403, 1188560), (415, 1154192), (496, 965705), (520, 921134), (620, 772564), (664, 721370), (716, 668980), (806, 594280), (830, 577096), (895, 535184), (1040, 460567), (1079, 443920), (1240, 386282), (1328, 360685), (1432, 334490), (1612, 297140), (1660, 288548), (1790, 267592), (2015, 237712), (2158, 221960), (2327, 205840), (2480, 193141), (2573, 186160), (2864, 167245), (3224, 148570), (3320, 144274), (3580, 133796), (4030, 118856), (4316, 110980), (4654, 102920), (5146, 93080), (5395, 88784), (5549, 86320), (6448, 74285), (6640, 72137), (7160, 66898), (8060, 59428), (8632, 55490), (9308, 51460), (10292, 46540), (10790, 44392), (11098, 43160), (11635, 41168), (12865, 37232), (14320, 33449), (14857, 32240), (16120, 29714), (17264, 27745), (18616, 25730), (20584, 23270), (21580, 22196)]