15679987995

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{7993}}^1$

素因数の和:8189

約数の個数: 96

約数和(自身を含む): 31101392448

約数和(自身を除く): 15421404453

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 157, 245, 255, 357, 471, 595, 735, 785, 833, 1099, 1785, 2355, 2499, 2669, 3297, 4165, 5495, 7693, 7993, 8007, 12495, 13345, 16485, 18683, 23079, 23979, 38465, 39965, 40035, 55951, 56049, 93415, 115395, 119895, 130781, 135881, 167853, 279755, 280245, 391657, 392343, 407643, 653905, 679405, 839265, 951167, 1174971, 1254901, 1958285, 1961715, 2038215, 2853501, 3764703, 4755835, 5874855, 6274505, 6658169, 8784307, 14267505, 18823515, 19974507, 21333317, 26352921, 33290845, 43921535, 61490149, 63999951, 99872535, 106666585, 131764605, 149333219, 184470447, 307450745, 319999755, 447999657, 746666095, 922352235, 1045332533, 2239998285, 3135997599, 5226662665, 15679987995]

約数ペア:

[(1, 15679987995), (3, 5226662665), (5, 3135997599), (7, 2239998285), (15, 1045332533), (17, 922352235), (21, 746666095), (35, 447999657), (49, 319999755), (51, 307450745), (85, 184470447), (105, 149333219), (119, 131764605), (147, 106666585), (157, 99872535), (245, 63999951), (255, 61490149), (357, 43921535), (471, 33290845), (595, 26352921), (735, 21333317), (785, 19974507), (833, 18823515), (1099, 14267505), (1785, 8784307), (2355, 6658169), (2499, 6274505), (2669, 5874855), (3297, 4755835), (4165, 3764703), (5495, 2853501), (7693, 2038215), (7993, 1961715), (8007, 1958285), (12495, 1254901), (13345, 1174971), (16485, 951167), (18683, 839265), (23079, 679405), (23979, 653905), (38465, 407643), (39965, 392343), (40035, 391657), (55951, 280245), (56049, 279755), (93415, 167853), (115395, 135881), (119895, 130781)]