72043920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:254

約数の個数: 240

約数和(自身を含む): 268107840

約数和(自身を除く): 196063920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 43, 45, 48, 52, 60, 65, 72, 78, 80, 86, 90, 104, 117, 120, 129, 130, 144, 156, 172, 179, 180, 195, 208, 215, 234, 240, 258, 260, 312, 344, 358, 360, 387, 390, 430, 468, 516, 520, 537, 559, 585, 624, 645, 688, 716, 720, 774, 780, 860, 895, 936, 1032, 1040, 1074, 1118, 1170, 1290, 1432, 1548, 1560, 1611, 1677, 1720, 1790, 1872, 1935, 2064, 2148, 2236, 2327, 2340, 2580, 2685, 2795, 2864, 3096, 3120, 3222, 3354, 3440, 3580, 3870, 4296, 4472, 4654, 4680, 5031, 5160, 5370, 5590, 6192, 6444, 6708, 6981, 7160, 7697, 7740, 8055, 8385, 8592, 8944, 9308, 9360, 10062, 10320, 10740, 11180, 11635, 12888, 13416, 13962, 14320, 15394, 15480, 16110, 16770, 18616, 20124, 20943, 21480, 22360, 23091, 23270, 25155, 25776, 26832, 27924, 30788, 30960, 32220, 33540, 34905, 37232, 38485, 40248, 41886, 42960, 44720, 46182, 46540, 50310, 55848, 61576, 64440, 67080, 69273, 69810, 76970, 80496, 83772, 92364, 93080, 100061, 100620, 104715, 111696, 115455, 123152, 128880, 134160, 138546, 139620, 153940, 167544, 184728, 186160, 200122, 201240, 209430, 230910, 277092, 279240, 300183, 307880, 335088, 346365, 369456, 400244, 402480, 418860, 461820, 500305, 554184, 558480, 600366, 615760, 692730, 800488, 837720, 900549, 923640, 1000610, 1108368, 1200732, 1385460, 1500915, 1600976, 1675440, 1801098, 1847280, 2001220, 2401464, 2770920, 3001830, 3602196, 4002440, 4502745, 4802928, 5541840, 6003660, 7204392, 8004880, 9005490, 12007320, 14408784, 18010980, 24014640, 36021960, 72043920]

約数ペア:

[(1, 72043920), (2, 36021960), (3, 24014640), (4, 18010980), (5, 14408784), (6, 12007320), (8, 9005490), (9, 8004880), (10, 7204392), (12, 6003660), (13, 5541840), (15, 4802928), (16, 4502745), (18, 4002440), (20, 3602196), (24, 3001830), (26, 2770920), (30, 2401464), (36, 2001220), (39, 1847280), (40, 1801098), (43, 1675440), (45, 1600976), (48, 1500915), (52, 1385460), (60, 1200732), (65, 1108368), (72, 1000610), (78, 923640), (80, 900549), (86, 837720), (90, 800488), (104, 692730), (117, 615760), (120, 600366), (129, 558480), (130, 554184), (144, 500305), (156, 461820), (172, 418860), (179, 402480), (180, 400244), (195, 369456), (208, 346365), (215, 335088), (234, 307880), (240, 300183), (258, 279240), (260, 277092), (312, 230910), (344, 209430), (358, 201240), (360, 200122), (387, 186160), (390, 184728), (430, 167544), (468, 153940), (516, 139620), (520, 138546), (537, 134160), (559, 128880), (585, 123152), (624, 115455), (645, 111696), (688, 104715), (716, 100620), (720, 100061), (774, 93080), (780, 92364), (860, 83772), (895, 80496), (936, 76970), (1032, 69810), (1040, 69273), (1074, 67080), (1118, 64440), (1170, 61576), (1290, 55848), (1432, 50310), (1548, 46540), (1560, 46182), (1611, 44720), (1677, 42960), (1720, 41886), (1790, 40248), (1872, 38485), (1935, 37232), (2064, 34905), (2148, 33540), (2236, 32220), (2327, 30960), (2340, 30788), (2580, 27924), (2685, 26832), (2795, 25776), (2864, 25155), (3096, 23270), (3120, 23091), (3222, 22360), (3354, 21480), (3440, 20943), (3580, 20124), (3870, 18616), (4296, 16770), (4472, 16110), (4654, 15480), (4680, 15394), (5031, 14320), (5160, 13962), (5370, 13416), (5590, 12888), (6192, 11635), (6444, 11180), (6708, 10740), (6981, 10320), (7160, 10062), (7697, 9360), (7740, 9308), (8055, 8944), (8385, 8592)]