128216250

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 160

約数和(自身を含む): 371131200

約数和(自身を除く): 242914950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 29, 30, 45, 50, 54, 58, 75, 87, 90, 125, 131, 135, 145, 150, 174, 225, 250, 261, 262, 270, 290, 375, 393, 435, 450, 522, 625, 655, 675, 725, 750, 783, 786, 870, 1125, 1179, 1250, 1305, 1310, 1350, 1450, 1566, 1875, 1965, 2175, 2250, 2358, 2610, 3275, 3375, 3537, 3625, 3750, 3799, 3915, 3930, 4350, 5625, 5895, 6525, 6550, 6750, 7074, 7250, 7598, 7830, 9825, 10875, 11250, 11397, 11790, 13050, 16375, 16875, 17685, 18125, 18995, 19575, 19650, 21750, 22794, 29475, 32625, 32750, 33750, 34191, 35370, 36250, 37990, 39150, 49125, 54375, 56985, 58950, 65250, 68382, 81875, 88425, 94975, 97875, 98250, 102573, 108750, 113970, 147375, 163125, 163750, 170955, 176850, 189950, 195750, 205146, 245625, 284925, 294750, 326250, 341910, 442125, 474875, 489375, 491250, 512865, 569850, 736875, 854775, 884250, 949750, 978750, 1025730, 1424625, 1473750, 1709550, 2210625, 2374375, 2564325, 2849250, 4273875, 4421250, 4748750, 5128650, 7123125, 8547750, 12821625, 14246250, 21369375, 25643250, 42738750, 64108125, 128216250]

約数ペア:

[(1, 128216250), (2, 64108125), (3, 42738750), (5, 25643250), (6, 21369375), (9, 14246250), (10, 12821625), (15, 8547750), (18, 7123125), (25, 5128650), (27, 4748750), (29, 4421250), (30, 4273875), (45, 2849250), (50, 2564325), (54, 2374375), (58, 2210625), (75, 1709550), (87, 1473750), (90, 1424625), (125, 1025730), (131, 978750), (135, 949750), (145, 884250), (150, 854775), (174, 736875), (225, 569850), (250, 512865), (261, 491250), (262, 489375), (270, 474875), (290, 442125), (375, 341910), (393, 326250), (435, 294750), (450, 284925), (522, 245625), (625, 205146), (655, 195750), (675, 189950), (725, 176850), (750, 170955), (783, 163750), (786, 163125), (870, 147375), (1125, 113970), (1179, 108750), (1250, 102573), (1305, 98250), (1310, 97875), (1350, 94975), (1450, 88425), (1566, 81875), (1875, 68382), (1965, 65250), (2175, 58950), (2250, 56985), (2358, 54375), (2610, 49125), (3275, 39150), (3375, 37990), (3537, 36250), (3625, 35370), (3750, 34191), (3799, 33750), (3915, 32750), (3930, 32625), (4350, 29475), (5625, 22794), (5895, 21750), (6525, 19650), (6550, 19575), (6750, 18995), (7074, 18125), (7250, 17685), (7598, 16875), (7830, 16375), (9825, 13050), (10875, 11790), (11250, 11397)]