171738450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1009

約数の個数: 144

約数和(自身を含む): 513467136

約数和(自身を除く): 341728686

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 31, 39, 45, 50, 62, 65, 75, 78, 90, 93, 117, 130, 150, 155, 186, 195, 225, 234, 279, 310, 325, 390, 403, 450, 465, 558, 585, 650, 775, 806, 930, 947, 975, 1170, 1209, 1395, 1550, 1894, 1950, 2015, 2325, 2418, 2790, 2841, 2925, 3627, 4030, 4650, 4735, 5682, 5850, 6045, 6975, 7254, 8523, 9470, 10075, 12090, 12311, 13950, 14205, 17046, 18135, 20150, 23675, 24622, 28410, 29357, 30225, 36270, 36933, 42615, 47350, 58714, 60450, 61555, 71025, 73866, 85230, 88071, 90675, 110799, 123110, 142050, 146785, 176142, 181350, 184665, 213075, 221598, 264213, 293570, 307775, 369330, 381641, 426150, 440355, 528426, 553995, 615550, 733925, 763282, 880710, 923325, 1107990, 1144923, 1321065, 1467850, 1846650, 1908205, 2201775, 2289846, 2642130, 2769975, 3434769, 3816410, 4403550, 5539950, 5724615, 6605325, 6869538, 9541025, 11449230, 13210650, 17173845, 19082050, 28623075, 34347690, 57246150, 85869225, 171738450]

約数ペア:

[(1, 171738450), (2, 85869225), (3, 57246150), (5, 34347690), (6, 28623075), (9, 19082050), (10, 17173845), (13, 13210650), (15, 11449230), (18, 9541025), (25, 6869538), (26, 6605325), (30, 5724615), (31, 5539950), (39, 4403550), (45, 3816410), (50, 3434769), (62, 2769975), (65, 2642130), (75, 2289846), (78, 2201775), (90, 1908205), (93, 1846650), (117, 1467850), (130, 1321065), (150, 1144923), (155, 1107990), (186, 923325), (195, 880710), (225, 763282), (234, 733925), (279, 615550), (310, 553995), (325, 528426), (390, 440355), (403, 426150), (450, 381641), (465, 369330), (558, 307775), (585, 293570), (650, 264213), (775, 221598), (806, 213075), (930, 184665), (947, 181350), (975, 176142), (1170, 146785), (1209, 142050), (1395, 123110), (1550, 110799), (1894, 90675), (1950, 88071), (2015, 85230), (2325, 73866), (2418, 71025), (2790, 61555), (2841, 60450), (2925, 58714), (3627, 47350), (4030, 42615), (4650, 36933), (4735, 36270), (5682, 30225), (5850, 29357), (6045, 28410), (6975, 24622), (7254, 23675), (8523, 20150), (9470, 18135), (10075, 17046), (12090, 14205), (12311, 13950)]