278131230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2671}}^1$

素因数の和:2786

約数の個数: 96

約数和(自身を含む): 787812480

約数和(自身を除く): 509681250

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 89, 90, 117, 130, 178, 195, 234, 267, 390, 445, 534, 585, 801, 890, 1157, 1170, 1335, 1602, 2314, 2670, 2671, 3471, 4005, 5342, 5785, 6942, 8010, 8013, 10413, 11570, 13355, 16026, 17355, 20826, 24039, 26710, 34710, 34723, 40065, 48078, 52065, 69446, 80130, 104130, 104169, 120195, 173615, 208338, 237719, 240390, 312507, 347230, 475438, 520845, 625014, 713157, 1041690, 1188595, 1426314, 1562535, 2139471, 2377190, 3090347, 3125070, 3565785, 4278942, 6180694, 7131570, 9271041, 10697355, 15451735, 18542082, 21394710, 27813123, 30903470, 46355205, 55626246, 92710410, 139065615, 278131230]

約数ペア:

[(1, 278131230), (2, 139065615), (3, 92710410), (5, 55626246), (6, 46355205), (9, 30903470), (10, 27813123), (13, 21394710), (15, 18542082), (18, 15451735), (26, 10697355), (30, 9271041), (39, 7131570), (45, 6180694), (65, 4278942), (78, 3565785), (89, 3125070), (90, 3090347), (117, 2377190), (130, 2139471), (178, 1562535), (195, 1426314), (234, 1188595), (267, 1041690), (390, 713157), (445, 625014), (534, 520845), (585, 475438), (801, 347230), (890, 312507), (1157, 240390), (1170, 237719), (1335, 208338), (1602, 173615), (2314, 120195), (2670, 104169), (2671, 104130), (3471, 80130), (4005, 69446), (5342, 52065), (5785, 48078), (6942, 40065), (8010, 34723), (8013, 34710), (10413, 26710), (11570, 24039), (13355, 20826), (16026, 17355)]