261446250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 160

約数和(自身を含む): 730566144

約数和(自身を除く): 469119894

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 62, 65, 75, 78, 93, 125, 130, 150, 155, 173, 186, 195, 250, 310, 325, 346, 375, 390, 403, 465, 519, 625, 650, 750, 775, 806, 865, 930, 975, 1038, 1209, 1250, 1550, 1625, 1730, 1875, 1950, 2015, 2249, 2325, 2418, 2595, 3250, 3750, 3875, 4030, 4325, 4498, 4650, 4875, 5190, 5363, 6045, 6747, 7750, 8125, 8650, 9750, 10075, 10726, 11245, 11625, 12090, 12975, 13494, 16089, 16250, 19375, 20150, 21625, 22490, 23250, 24375, 25950, 26815, 30225, 32178, 33735, 38750, 43250, 48750, 50375, 53630, 56225, 58125, 60450, 64875, 67470, 69719, 80445, 100750, 108125, 112450, 116250, 129750, 134075, 139438, 151125, 160890, 168675, 209157, 216250, 251875, 268150, 281125, 302250, 324375, 337350, 348595, 402225, 418314, 503750, 562250, 648750, 670375, 697190, 755625, 804450, 843375, 1045785, 1340750, 1405625, 1511250, 1686750, 1742975, 2011125, 2091570, 2811250, 3351875, 3485950, 4022250, 4216875, 5228925, 6703750, 8433750, 8714875, 10055625, 10457850, 17429750, 20111250, 26144625, 43574375, 52289250, 87148750, 130723125, 261446250]

約数ペア:

[(1, 261446250), (2, 130723125), (3, 87148750), (5, 52289250), (6, 43574375), (10, 26144625), (13, 20111250), (15, 17429750), (25, 10457850), (26, 10055625), (30, 8714875), (31, 8433750), (39, 6703750), (50, 5228925), (62, 4216875), (65, 4022250), (75, 3485950), (78, 3351875), (93, 2811250), (125, 2091570), (130, 2011125), (150, 1742975), (155, 1686750), (173, 1511250), (186, 1405625), (195, 1340750), (250, 1045785), (310, 843375), (325, 804450), (346, 755625), (375, 697190), (390, 670375), (403, 648750), (465, 562250), (519, 503750), (625, 418314), (650, 402225), (750, 348595), (775, 337350), (806, 324375), (865, 302250), (930, 281125), (975, 268150), (1038, 251875), (1209, 216250), (1250, 209157), (1550, 168675), (1625, 160890), (1730, 151125), (1875, 139438), (1950, 134075), (2015, 129750), (2249, 116250), (2325, 112450), (2418, 108125), (2595, 100750), (3250, 80445), (3750, 69719), (3875, 67470), (4030, 64875), (4325, 60450), (4498, 58125), (4650, 56225), (4875, 53630), (5190, 50375), (5363, 48750), (6045, 43250), (6747, 38750), (7750, 33735), (8125, 32178), (8650, 30225), (9750, 26815), (10075, 25950), (10726, 24375), (11245, 23250), (11625, 22490), (12090, 21625), (12975, 20150), (13494, 19375), (16089, 16250)]