857551140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:850

約数の個数: 144

約数和(自身を含む): 2699214336

約数和(自身を除く): 1841663196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 313, 372, 465, 491, 558, 620, 626, 930, 939, 982, 1116, 1252, 1395, 1473, 1565, 1860, 1878, 1964, 2455, 2790, 2817, 2946, 3130, 3756, 4419, 4695, 4910, 5580, 5634, 5892, 6260, 7365, 8838, 9390, 9703, 9820, 11268, 14085, 14730, 15221, 17676, 18780, 19406, 22095, 28170, 29109, 29460, 30442, 38812, 44190, 45663, 48515, 56340, 58218, 60884, 76105, 87327, 88380, 91326, 97030, 116436, 136989, 145545, 152210, 153683, 174654, 182652, 194060, 228315, 273978, 291090, 304420, 307366, 349308, 436635, 456630, 461049, 547956, 582180, 614732, 684945, 768415, 873270, 913260, 922098, 1369890, 1383147, 1536830, 1746540, 1844196, 2305245, 2739780, 2766294, 3073660, 4610490, 4764173, 5532588, 6915735, 9220980, 9528346, 13831470, 14292519, 19056692, 23820865, 27662940, 28585038, 42877557, 47641730, 57170076, 71462595, 85755114, 95283460, 142925190, 171510228, 214387785, 285850380, 428775570, 857551140]

約数ペア:

[(1, 857551140), (2, 428775570), (3, 285850380), (4, 214387785), (5, 171510228), (6, 142925190), (9, 95283460), (10, 85755114), (12, 71462595), (15, 57170076), (18, 47641730), (20, 42877557), (30, 28585038), (31, 27662940), (36, 23820865), (45, 19056692), (60, 14292519), (62, 13831470), (90, 9528346), (93, 9220980), (124, 6915735), (155, 5532588), (180, 4764173), (186, 4610490), (279, 3073660), (310, 2766294), (313, 2739780), (372, 2305245), (465, 1844196), (491, 1746540), (558, 1536830), (620, 1383147), (626, 1369890), (930, 922098), (939, 913260), (982, 873270), (1116, 768415), (1252, 684945), (1395, 614732), (1473, 582180), (1565, 547956), (1860, 461049), (1878, 456630), (1964, 436635), (2455, 349308), (2790, 307366), (2817, 304420), (2946, 291090), (3130, 273978), (3756, 228315), (4419, 194060), (4695, 182652), (4910, 174654), (5580, 153683), (5634, 152210), (5892, 145545), (6260, 136989), (7365, 116436), (8838, 97030), (9390, 91326), (9703, 88380), (9820, 87327), (11268, 76105), (14085, 60884), (14730, 58218), (15221, 56340), (17676, 48515), (18780, 45663), (19406, 44190), (22095, 38812), (28170, 30442), (29109, 29460)]