721946250

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{21391}}^1$

素因数の和:21422

約数の個数: 80

約数和(自身を含む): 2004858240

約数和(自身を除く): 1282911990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 225, 250, 270, 375, 450, 625, 675, 750, 1125, 1250, 1350, 1875, 2250, 3375, 3750, 5625, 6750, 11250, 16875, 21391, 33750, 42782, 64173, 106955, 128346, 192519, 213910, 320865, 385038, 534775, 577557, 641730, 962595, 1069550, 1155114, 1604325, 1925190, 2673875, 2887785, 3208650, 4812975, 5347750, 5775570, 8021625, 9625950, 13369375, 14438925, 16043250, 24064875, 26738750, 28877850, 40108125, 48129750, 72194625, 80216250, 120324375, 144389250, 240648750, 360973125, 721946250]

約数ペア:

[(1, 721946250), (2, 360973125), (3, 240648750), (5, 144389250), (6, 120324375), (9, 80216250), (10, 72194625), (15, 48129750), (18, 40108125), (25, 28877850), (27, 26738750), (30, 24064875), (45, 16043250), (50, 14438925), (54, 13369375), (75, 9625950), (90, 8021625), (125, 5775570), (135, 5347750), (150, 4812975), (225, 3208650), (250, 2887785), (270, 2673875), (375, 1925190), (450, 1604325), (625, 1155114), (675, 1069550), (750, 962595), (1125, 641730), (1250, 577557), (1350, 534775), (1875, 385038), (2250, 320865), (3375, 213910), (3750, 192519), (5625, 128346), (6750, 106955), (11250, 64173), (16875, 42782), (21391, 33750)]