820595790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:375

約数の個数: 192

約数和(自身を含む): 2512553472

約数和(自身を除く): 1691957682

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 61, 63, 70, 90, 105, 122, 126, 131, 163, 183, 210, 262, 305, 315, 326, 366, 393, 427, 489, 549, 610, 630, 655, 786, 815, 854, 915, 917, 978, 1098, 1141, 1179, 1281, 1310, 1467, 1630, 1830, 1834, 1965, 2135, 2282, 2358, 2445, 2562, 2745, 2751, 2934, 3423, 3843, 3930, 4270, 4585, 4890, 5490, 5502, 5705, 5895, 6405, 6846, 7335, 7686, 7991, 8253, 9170, 9943, 10269, 11410, 11790, 12810, 13755, 14670, 15982, 16506, 17115, 19215, 19886, 20538, 21353, 23973, 27510, 29829, 34230, 38430, 39955, 41265, 42706, 47946, 49715, 51345, 55937, 59658, 64059, 69601, 71919, 79910, 82530, 89487, 99430, 102690, 106765, 111874, 119865, 128118, 139202, 143838, 149145, 149471, 167811, 178974, 192177, 208803, 213530, 239730, 279685, 298290, 298942, 320295, 335622, 348005, 359595, 384354, 417606, 447435, 448413, 503433, 559370, 626409, 640590, 696010, 719190, 747355, 839055, 894870, 896826, 960885, 1006866, 1044015, 1252818, 1302533, 1345239, 1494710, 1678110, 1921770, 2088030, 2242065, 2517165, 2605066, 2690478, 3132045, 3907599, 4484130, 5034330, 6264090, 6512665, 6726195, 7815198, 9117731, 11722797, 13025330, 13452390, 18235462, 19537995, 23445594, 27353193, 39075990, 45588655, 54706386, 58613985, 82059579, 91177310, 117227970, 136765965, 164119158, 273531930, 410297895, 820595790]

約数ペア:

[(1, 820595790), (2, 410297895), (3, 273531930), (5, 164119158), (6, 136765965), (7, 117227970), (9, 91177310), (10, 82059579), (14, 58613985), (15, 54706386), (18, 45588655), (21, 39075990), (30, 27353193), (35, 23445594), (42, 19537995), (45, 18235462), (61, 13452390), (63, 13025330), (70, 11722797), (90, 9117731), (105, 7815198), (122, 6726195), (126, 6512665), (131, 6264090), (163, 5034330), (183, 4484130), (210, 3907599), (262, 3132045), (305, 2690478), (315, 2605066), (326, 2517165), (366, 2242065), (393, 2088030), (427, 1921770), (489, 1678110), (549, 1494710), (610, 1345239), (630, 1302533), (655, 1252818), (786, 1044015), (815, 1006866), (854, 960885), (915, 896826), (917, 894870), (978, 839055), (1098, 747355), (1141, 719190), (1179, 696010), (1281, 640590), (1310, 626409), (1467, 559370), (1630, 503433), (1830, 448413), (1834, 447435), (1965, 417606), (2135, 384354), (2282, 359595), (2358, 348005), (2445, 335622), (2562, 320295), (2745, 298942), (2751, 298290), (2934, 279685), (3423, 239730), (3843, 213530), (3930, 208803), (4270, 192177), (4585, 178974), (4890, 167811), (5490, 149471), (5502, 149145), (5705, 143838), (5895, 139202), (6405, 128118), (6846, 119865), (7335, 111874), (7686, 106765), (7991, 102690), (8253, 99430), (9170, 89487), (9943, 82530), (10269, 79910), (11410, 71919), (11790, 69601), (12810, 64059), (13755, 59658), (14670, 55937), (15982, 51345), (16506, 49715), (17115, 47946), (19215, 42706), (19886, 41265), (20538, 39955), (21353, 38430), (23973, 34230), (27510, 29829)]