91781700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 279982080

約数和(自身を除く): 188200380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 71, 75, 93, 100, 124, 139, 142, 150, 155, 186, 213, 278, 284, 300, 310, 355, 372, 417, 426, 465, 556, 620, 695, 710, 775, 834, 852, 930, 1065, 1390, 1420, 1550, 1668, 1775, 1860, 2085, 2130, 2201, 2325, 2780, 3100, 3475, 3550, 4170, 4260, 4309, 4402, 4650, 5325, 6603, 6950, 7100, 8340, 8618, 8804, 9300, 9869, 10425, 10650, 11005, 12927, 13206, 13900, 17236, 19738, 20850, 21300, 21545, 22010, 25854, 26412, 29607, 33015, 39476, 41700, 43090, 44020, 49345, 51708, 55025, 59214, 64635, 66030, 86180, 98690, 107725, 110050, 118428, 129270, 132060, 148035, 165075, 197380, 215450, 220100, 246725, 258540, 296070, 305939, 323175, 330150, 430900, 493450, 592140, 611878, 646350, 660300, 740175, 917817, 986900, 1223756, 1292700, 1480350, 1529695, 1835634, 2960700, 3059390, 3671268, 4589085, 6118780, 7648475, 9178170, 15296950, 18356340, 22945425, 30593900, 45890850, 91781700]

約数ペア:

[(1, 91781700), (2, 45890850), (3, 30593900), (4, 22945425), (5, 18356340), (6, 15296950), (10, 9178170), (12, 7648475), (15, 6118780), (20, 4589085), (25, 3671268), (30, 3059390), (31, 2960700), (50, 1835634), (60, 1529695), (62, 1480350), (71, 1292700), (75, 1223756), (93, 986900), (100, 917817), (124, 740175), (139, 660300), (142, 646350), (150, 611878), (155, 592140), (186, 493450), (213, 430900), (278, 330150), (284, 323175), (300, 305939), (310, 296070), (355, 258540), (372, 246725), (417, 220100), (426, 215450), (465, 197380), (556, 165075), (620, 148035), (695, 132060), (710, 129270), (775, 118428), (834, 110050), (852, 107725), (930, 98690), (1065, 86180), (1390, 66030), (1420, 64635), (1550, 59214), (1668, 55025), (1775, 51708), (1860, 49345), (2085, 44020), (2130, 43090), (2201, 41700), (2325, 39476), (2780, 33015), (3100, 29607), (3475, 26412), (3550, 25854), (4170, 22010), (4260, 21545), (4309, 21300), (4402, 20850), (4650, 19738), (5325, 17236), (6603, 13900), (6950, 13206), (7100, 12927), (8340, 11005), (8618, 10650), (8804, 10425), (9300, 9869)]