280191750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:519

約数の個数: 128

約数和(自身を含む): 751196160

約数和(自身を除く): 471004410

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 37, 46, 50, 69, 74, 75, 111, 115, 125, 138, 150, 185, 222, 230, 250, 345, 370, 375, 439, 555, 575, 690, 750, 851, 878, 925, 1110, 1150, 1317, 1702, 1725, 1850, 2195, 2553, 2634, 2775, 2875, 3450, 4255, 4390, 4625, 5106, 5550, 5750, 6585, 8510, 8625, 9250, 10097, 10975, 12765, 13170, 13875, 16243, 17250, 20194, 21275, 21950, 25530, 27750, 30291, 32486, 32925, 42550, 48729, 50485, 54875, 60582, 63825, 65850, 81215, 97458, 100970, 106375, 109750, 127650, 151455, 162430, 164625, 212750, 243645, 252425, 302910, 319125, 329250, 373589, 406075, 487290, 504850, 638250, 747178, 757275, 812150, 1120767, 1218225, 1262125, 1514550, 1867945, 2030375, 2241534, 2436450, 2524250, 3735890, 3786375, 4060750, 5603835, 6091125, 7572750, 9339725, 11207670, 12182250, 18679450, 28019175, 46698625, 56038350, 93397250, 140095875, 280191750]

約数ペア:

[(1, 280191750), (2, 140095875), (3, 93397250), (5, 56038350), (6, 46698625), (10, 28019175), (15, 18679450), (23, 12182250), (25, 11207670), (30, 9339725), (37, 7572750), (46, 6091125), (50, 5603835), (69, 4060750), (74, 3786375), (75, 3735890), (111, 2524250), (115, 2436450), (125, 2241534), (138, 2030375), (150, 1867945), (185, 1514550), (222, 1262125), (230, 1218225), (250, 1120767), (345, 812150), (370, 757275), (375, 747178), (439, 638250), (555, 504850), (575, 487290), (690, 406075), (750, 373589), (851, 329250), (878, 319125), (925, 302910), (1110, 252425), (1150, 243645), (1317, 212750), (1702, 164625), (1725, 162430), (1850, 151455), (2195, 127650), (2553, 109750), (2634, 106375), (2775, 100970), (2875, 97458), (3450, 81215), (4255, 65850), (4390, 63825), (4625, 60582), (5106, 54875), (5550, 50485), (5750, 48729), (6585, 42550), (8510, 32925), (8625, 32486), (9250, 30291), (10097, 27750), (10975, 25530), (12765, 21950), (13170, 21275), (13875, 20194), (16243, 17250)]