257603040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{619}}^1$

素因数の和:674

約数の個数: 216

約数和(自身を含む): 935330760

約数和(自身を除く): 677727720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 289, 306, 340, 360, 408, 480, 510, 544, 578, 612, 619, 680, 720, 765, 816, 867, 1020, 1156, 1224, 1238, 1360, 1440, 1445, 1530, 1632, 1734, 1857, 2040, 2312, 2448, 2476, 2601, 2720, 2890, 3060, 3095, 3468, 3714, 4080, 4335, 4624, 4896, 4952, 5202, 5571, 5780, 6120, 6190, 6936, 7428, 8160, 8670, 9248, 9285, 9904, 10404, 10523, 11142, 11560, 12240, 12380, 13005, 13872, 14856, 17340, 18570, 19808, 20808, 21046, 22284, 23120, 24480, 24760, 26010, 27744, 27855, 29712, 31569, 34680, 37140, 41616, 42092, 44568, 46240, 49520, 52020, 52615, 55710, 59424, 63138, 69360, 74280, 83232, 84184, 89136, 94707, 99040, 104040, 105230, 111420, 126276, 138720, 148560, 157845, 168368, 178272, 178891, 189414, 208080, 210460, 222840, 252552, 297120, 315690, 336736, 357782, 378828, 416160, 420920, 445680, 473535, 505104, 536673, 631380, 715564, 757656, 841840, 891360, 894455, 947070, 1010208, 1073346, 1262760, 1431128, 1515312, 1610019, 1683680, 1788910, 1894140, 2146692, 2525520, 2683365, 2862256, 3030624, 3220038, 3577820, 3788280, 4293384, 5051040, 5366730, 5724512, 6440076, 7155640, 7576560, 8050095, 8586768, 10733460, 12880152, 14311280, 15153120, 16100190, 17173536, 21466920, 25760304, 28622560, 32200380, 42933840, 51520608, 64400760, 85867680, 128801520, 257603040]

約数ペア:

[(1, 257603040), (2, 128801520), (3, 85867680), (4, 64400760), (5, 51520608), (6, 42933840), (8, 32200380), (9, 28622560), (10, 25760304), (12, 21466920), (15, 17173536), (16, 16100190), (17, 15153120), (18, 14311280), (20, 12880152), (24, 10733460), (30, 8586768), (32, 8050095), (34, 7576560), (36, 7155640), (40, 6440076), (45, 5724512), (48, 5366730), (51, 5051040), (60, 4293384), (68, 3788280), (72, 3577820), (80, 3220038), (85, 3030624), (90, 2862256), (96, 2683365), (102, 2525520), (120, 2146692), (136, 1894140), (144, 1788910), (153, 1683680), (160, 1610019), (170, 1515312), (180, 1431128), (204, 1262760), (240, 1073346), (255, 1010208), (272, 947070), (288, 894455), (289, 891360), (306, 841840), (340, 757656), (360, 715564), (408, 631380), (480, 536673), (510, 505104), (544, 473535), (578, 445680), (612, 420920), (619, 416160), (680, 378828), (720, 357782), (765, 336736), (816, 315690), (867, 297120), (1020, 252552), (1156, 222840), (1224, 210460), (1238, 208080), (1360, 189414), (1440, 178891), (1445, 178272), (1530, 168368), (1632, 157845), (1734, 148560), (1857, 138720), (2040, 126276), (2312, 111420), (2448, 105230), (2476, 104040), (2601, 99040), (2720, 94707), (2890, 89136), (3060, 84184), (3095, 83232), (3468, 74280), (3714, 69360), (4080, 63138), (4335, 59424), (4624, 55710), (4896, 52615), (4952, 52020), (5202, 49520), (5571, 46240), (5780, 44568), (6120, 42092), (6190, 41616), (6936, 37140), (7428, 34680), (8160, 31569), (8670, 29712), (9248, 27855), (9285, 27744), (9904, 26010), (10404, 24760), (10523, 24480), (11142, 23120), (11560, 22284), (12240, 21046), (12380, 20808), (13005, 19808), (13872, 18570), (14856, 17340)]