281225160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:588

約数の個数: 192

約数和(自身を含む): 962470080

約数和(自身を除く): 681244920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 43, 45, 60, 72, 74, 86, 90, 111, 120, 129, 148, 172, 180, 185, 215, 222, 258, 296, 333, 344, 360, 370, 387, 430, 444, 491, 516, 555, 645, 666, 740, 774, 860, 888, 982, 1032, 1110, 1290, 1332, 1473, 1480, 1548, 1591, 1665, 1720, 1935, 1964, 2220, 2455, 2580, 2664, 2946, 3096, 3182, 3330, 3870, 3928, 4419, 4440, 4773, 4910, 5160, 5892, 6364, 6660, 7365, 7740, 7955, 8838, 9546, 9820, 11784, 12728, 13320, 14319, 14730, 15480, 15910, 17676, 18167, 19092, 19640, 21113, 22095, 23865, 28638, 29460, 31820, 35352, 36334, 38184, 42226, 44190, 47730, 54501, 57276, 58920, 63339, 63640, 71595, 72668, 84452, 88380, 90835, 95460, 105565, 109002, 114552, 126678, 143190, 145336, 163503, 168904, 176760, 181670, 190017, 190920, 211130, 218004, 253356, 272505, 286380, 316695, 327006, 363340, 380034, 422260, 436008, 506712, 545010, 572760, 633390, 654012, 726680, 760068, 781181, 817515, 844520, 950085, 1090020, 1266780, 1308024, 1520136, 1562362, 1635030, 1900170, 2180040, 2343543, 2533560, 3124724, 3270060, 3800340, 3905905, 4687086, 6249448, 6540120, 7030629, 7600680, 7811810, 9374172, 11717715, 14061258, 15623620, 18748344, 23435430, 28122516, 31247240, 35153145, 46870860, 56245032, 70306290, 93741720, 140612580, 281225160]

約数ペア:

[(1, 281225160), (2, 140612580), (3, 93741720), (4, 70306290), (5, 56245032), (6, 46870860), (8, 35153145), (9, 31247240), (10, 28122516), (12, 23435430), (15, 18748344), (18, 15623620), (20, 14061258), (24, 11717715), (30, 9374172), (36, 7811810), (37, 7600680), (40, 7030629), (43, 6540120), (45, 6249448), (60, 4687086), (72, 3905905), (74, 3800340), (86, 3270060), (90, 3124724), (111, 2533560), (120, 2343543), (129, 2180040), (148, 1900170), (172, 1635030), (180, 1562362), (185, 1520136), (215, 1308024), (222, 1266780), (258, 1090020), (296, 950085), (333, 844520), (344, 817515), (360, 781181), (370, 760068), (387, 726680), (430, 654012), (444, 633390), (491, 572760), (516, 545010), (555, 506712), (645, 436008), (666, 422260), (740, 380034), (774, 363340), (860, 327006), (888, 316695), (982, 286380), (1032, 272505), (1110, 253356), (1290, 218004), (1332, 211130), (1473, 190920), (1480, 190017), (1548, 181670), (1591, 176760), (1665, 168904), (1720, 163503), (1935, 145336), (1964, 143190), (2220, 126678), (2455, 114552), (2580, 109002), (2664, 105565), (2946, 95460), (3096, 90835), (3182, 88380), (3330, 84452), (3870, 72668), (3928, 71595), (4419, 63640), (4440, 63339), (4773, 58920), (4910, 57276), (5160, 54501), (5892, 47730), (6364, 44190), (6660, 42226), (7365, 38184), (7740, 36334), (7955, 35352), (8838, 31820), (9546, 29460), (9820, 28638), (11784, 23865), (12728, 22095), (13320, 21113), (14319, 19640), (14730, 19092), (15480, 18167), (15910, 17676)]