56261520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^2$

素因数の和:151

約数の個数: 240

約数和(自身を含む): 225164160

約数和(自身を除く): 168902640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 61, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 122, 126, 135, 140, 144, 168, 180, 183, 189, 210, 216, 240, 244, 252, 270, 280, 305, 315, 336, 360, 366, 378, 420, 427, 432, 488, 504, 540, 549, 560, 610, 630, 720, 732, 756, 840, 854, 915, 945, 976, 1008, 1080, 1098, 1220, 1260, 1281, 1464, 1512, 1647, 1680, 1708, 1830, 1890, 2135, 2160, 2196, 2440, 2520, 2562, 2745, 2928, 3024, 3294, 3416, 3660, 3721, 3780, 3843, 4270, 4392, 4880, 5040, 5124, 5490, 6405, 6588, 6832, 7320, 7442, 7560, 7686, 8235, 8540, 8784, 10248, 10980, 11163, 11529, 12810, 13176, 14640, 14884, 15120, 15372, 16470, 17080, 18605, 19215, 20496, 21960, 22326, 23058, 25620, 26047, 26352, 29768, 30744, 32940, 33489, 34160, 37210, 38430, 43920, 44652, 46116, 51240, 52094, 55815, 57645, 59536, 61488, 65880, 66978, 74420, 76860, 78141, 89304, 92232, 100467, 102480, 104188, 111630, 115290, 130235, 131760, 133956, 148840, 153720, 156282, 167445, 178608, 184464, 200934, 208376, 223260, 230580, 234423, 260470, 267912, 297680, 307440, 312564, 334890, 390705, 401868, 416752, 446520, 461160, 468846, 502335, 520940, 535824, 625128, 669780, 703269, 781410, 803736, 893040, 922320, 937692, 1004670, 1041880, 1172115, 1250256, 1339560, 1406538, 1562820, 1607472, 1875384, 2009340, 2083760, 2344230, 2679120, 2813076, 3125640, 3516345, 3750768, 4018680, 4688460, 5626152, 6251280, 7032690, 8037360, 9376920, 11252304, 14065380, 18753840, 28130760, 56261520]

約数ペア:

[(1, 56261520), (2, 28130760), (3, 18753840), (4, 14065380), (5, 11252304), (6, 9376920), (7, 8037360), (8, 7032690), (9, 6251280), (10, 5626152), (12, 4688460), (14, 4018680), (15, 3750768), (16, 3516345), (18, 3125640), (20, 2813076), (21, 2679120), (24, 2344230), (27, 2083760), (28, 2009340), (30, 1875384), (35, 1607472), (36, 1562820), (40, 1406538), (42, 1339560), (45, 1250256), (48, 1172115), (54, 1041880), (56, 1004670), (60, 937692), (61, 922320), (63, 893040), (70, 803736), (72, 781410), (80, 703269), (84, 669780), (90, 625128), (105, 535824), (108, 520940), (112, 502335), (120, 468846), (122, 461160), (126, 446520), (135, 416752), (140, 401868), (144, 390705), (168, 334890), (180, 312564), (183, 307440), (189, 297680), (210, 267912), (216, 260470), (240, 234423), (244, 230580), (252, 223260), (270, 208376), (280, 200934), (305, 184464), (315, 178608), (336, 167445), (360, 156282), (366, 153720), (378, 148840), (420, 133956), (427, 131760), (432, 130235), (488, 115290), (504, 111630), (540, 104188), (549, 102480), (560, 100467), (610, 92232), (630, 89304), (720, 78141), (732, 76860), (756, 74420), (840, 66978), (854, 65880), (915, 61488), (945, 59536), (976, 57645), (1008, 55815), (1080, 52094), (1098, 51240), (1220, 46116), (1260, 44652), (1281, 43920), (1464, 38430), (1512, 37210), (1647, 34160), (1680, 33489), (1708, 32940), (1830, 30744), (1890, 29768), (2135, 26352), (2160, 26047), (2196, 25620), (2440, 23058), (2520, 22326), (2562, 21960), (2745, 20496), (2928, 19215), (3024, 18605), (3294, 17080), (3416, 16470), (3660, 15372), (3721, 15120), (3780, 14884), (3843, 14640), (4270, 13176), (4392, 12810), (4880, 11529), (5040, 11163), (5124, 10980), (5490, 10248), (6405, 8784), (6588, 8540), (6832, 8235), (7320, 7686), (7442, 7560)]