68712840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 256

約数和(自身を含む): 267840000

約数和(自身を除く): 199127160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 61, 63, 70, 72, 84, 90, 105, 108, 120, 122, 126, 135, 140, 149, 168, 180, 183, 189, 210, 216, 244, 252, 270, 280, 298, 305, 315, 360, 366, 378, 420, 427, 447, 488, 504, 540, 549, 596, 610, 630, 732, 745, 756, 840, 854, 894, 915, 945, 1043, 1080, 1098, 1192, 1220, 1260, 1281, 1341, 1464, 1490, 1512, 1647, 1708, 1788, 1830, 1890, 2086, 2135, 2196, 2235, 2440, 2520, 2562, 2682, 2745, 2980, 3129, 3294, 3416, 3576, 3660, 3780, 3843, 4023, 4172, 4270, 4392, 4470, 5124, 5215, 5364, 5490, 5960, 6258, 6405, 6588, 6705, 7320, 7560, 7686, 8046, 8235, 8344, 8540, 8940, 9089, 9387, 10248, 10430, 10728, 10980, 11529, 12516, 12810, 13176, 13410, 15372, 15645, 16092, 16470, 17080, 17880, 18178, 18774, 19215, 20115, 20860, 21960, 23058, 25032, 25620, 26820, 27267, 28161, 30744, 31290, 32184, 32940, 36356, 37548, 38430, 40230, 41720, 45445, 46116, 46935, 51240, 53640, 54534, 56322, 57645, 62580, 63623, 65880, 72712, 75096, 76860, 80460, 81801, 90890, 92232, 93870, 109068, 112644, 115290, 125160, 127246, 136335, 140805, 153720, 160920, 163602, 181780, 187740, 190869, 218136, 225288, 230580, 245403, 254492, 272670, 281610, 318115, 327204, 363560, 375480, 381738, 409005, 461160, 490806, 508984, 545340, 563220, 572607, 636230, 654408, 763476, 818010, 954345, 981612, 1090680, 1126440, 1145214, 1227015, 1272460, 1526952, 1636020, 1717821, 1908690, 1963224, 2290428, 2454030, 2544920, 2863035, 3272040, 3435642, 3817380, 4580856, 4908060, 5726070, 6871284, 7634760, 8589105, 9816120, 11452140, 13742568, 17178210, 22904280, 34356420, 68712840]

約数ペア:

[(1, 68712840), (2, 34356420), (3, 22904280), (4, 17178210), (5, 13742568), (6, 11452140), (7, 9816120), (8, 8589105), (9, 7634760), (10, 6871284), (12, 5726070), (14, 4908060), (15, 4580856), (18, 3817380), (20, 3435642), (21, 3272040), (24, 2863035), (27, 2544920), (28, 2454030), (30, 2290428), (35, 1963224), (36, 1908690), (40, 1717821), (42, 1636020), (45, 1526952), (54, 1272460), (56, 1227015), (60, 1145214), (61, 1126440), (63, 1090680), (70, 981612), (72, 954345), (84, 818010), (90, 763476), (105, 654408), (108, 636230), (120, 572607), (122, 563220), (126, 545340), (135, 508984), (140, 490806), (149, 461160), (168, 409005), (180, 381738), (183, 375480), (189, 363560), (210, 327204), (216, 318115), (244, 281610), (252, 272670), (270, 254492), (280, 245403), (298, 230580), (305, 225288), (315, 218136), (360, 190869), (366, 187740), (378, 181780), (420, 163602), (427, 160920), (447, 153720), (488, 140805), (504, 136335), (540, 127246), (549, 125160), (596, 115290), (610, 112644), (630, 109068), (732, 93870), (745, 92232), (756, 90890), (840, 81801), (854, 80460), (894, 76860), (915, 75096), (945, 72712), (1043, 65880), (1080, 63623), (1098, 62580), (1192, 57645), (1220, 56322), (1260, 54534), (1281, 53640), (1341, 51240), (1464, 46935), (1490, 46116), (1512, 45445), (1647, 41720), (1708, 40230), (1788, 38430), (1830, 37548), (1890, 36356), (2086, 32940), (2135, 32184), (2196, 31290), (2235, 30744), (2440, 28161), (2520, 27267), (2562, 26820), (2682, 25620), (2745, 25032), (2980, 23058), (3129, 21960), (3294, 20860), (3416, 20115), (3576, 19215), (3660, 18774), (3780, 18178), (3843, 17880), (4023, 17080), (4172, 16470), (4270, 16092), (4392, 15645), (4470, 15372), (5124, 13410), (5215, 13176), (5364, 12810), (5490, 12516), (5960, 11529), (6258, 10980), (6405, 10728), (6588, 10430), (6705, 10248), (7320, 9387), (7560, 9089), (7686, 8940), (8046, 8540), (8235, 8344)]