28555650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 83566080

約数和(自身を除く): 55010430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 31, 45, 46, 50, 62, 69, 75, 89, 90, 93, 115, 138, 150, 155, 178, 186, 207, 225, 230, 267, 279, 310, 345, 414, 445, 450, 465, 534, 558, 575, 690, 713, 775, 801, 890, 930, 1035, 1150, 1335, 1395, 1426, 1550, 1602, 1725, 2047, 2070, 2139, 2225, 2325, 2670, 2759, 2790, 3450, 3565, 4005, 4094, 4278, 4450, 4650, 5175, 5518, 6141, 6417, 6675, 6975, 7130, 8010, 8277, 10235, 10350, 10695, 12282, 12834, 13350, 13795, 13950, 16554, 17825, 18423, 20025, 20470, 21390, 24831, 27590, 30705, 32085, 35650, 36846, 40050, 41385, 49662, 51175, 53475, 61410, 63457, 64170, 68975, 82770, 92115, 102350, 106950, 124155, 126914, 137950, 153525, 160425, 184230, 190371, 206925, 248310, 307050, 317285, 320850, 380742, 413850, 460575, 571113, 620775, 634570, 921150, 951855, 1142226, 1241550, 1586425, 1903710, 2855565, 3172850, 4759275, 5711130, 9518550, 14277825, 28555650]

約数ペア:

[(1, 28555650), (2, 14277825), (3, 9518550), (5, 5711130), (6, 4759275), (9, 3172850), (10, 2855565), (15, 1903710), (18, 1586425), (23, 1241550), (25, 1142226), (30, 951855), (31, 921150), (45, 634570), (46, 620775), (50, 571113), (62, 460575), (69, 413850), (75, 380742), (89, 320850), (90, 317285), (93, 307050), (115, 248310), (138, 206925), (150, 190371), (155, 184230), (178, 160425), (186, 153525), (207, 137950), (225, 126914), (230, 124155), (267, 106950), (279, 102350), (310, 92115), (345, 82770), (414, 68975), (445, 64170), (450, 63457), (465, 61410), (534, 53475), (558, 51175), (575, 49662), (690, 41385), (713, 40050), (775, 36846), (801, 35650), (890, 32085), (930, 30705), (1035, 27590), (1150, 24831), (1335, 21390), (1395, 20470), (1426, 20025), (1550, 18423), (1602, 17825), (1725, 16554), (2047, 13950), (2070, 13795), (2139, 13350), (2225, 12834), (2325, 12282), (2670, 10695), (2759, 10350), (2790, 10235), (3450, 8277), (3565, 8010), (4005, 7130), (4094, 6975), (4278, 6675), (4450, 6417), (4650, 6141), (5175, 5518)]