64741740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 216

約数和(自身を含む): 226204272

約数和(自身を除く): 161462532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 61, 70, 76, 84, 95, 98, 105, 114, 122, 133, 140, 147, 183, 190, 196, 210, 228, 244, 245, 266, 285, 294, 305, 361, 366, 380, 399, 420, 427, 490, 532, 570, 588, 610, 665, 722, 732, 735, 798, 854, 915, 931, 980, 1083, 1140, 1159, 1220, 1281, 1330, 1444, 1470, 1596, 1708, 1805, 1830, 1862, 1995, 2135, 2166, 2318, 2527, 2562, 2660, 2793, 2940, 2989, 3477, 3610, 3660, 3724, 3990, 4270, 4332, 4636, 4655, 5054, 5124, 5415, 5586, 5795, 5978, 6405, 6954, 7220, 7581, 7980, 8113, 8540, 8967, 9310, 10108, 10830, 11172, 11590, 11956, 12635, 12810, 13908, 13965, 14945, 15162, 16226, 17385, 17689, 17934, 18620, 21660, 22021, 23180, 24339, 25270, 25620, 27930, 29890, 30324, 32452, 34770, 35378, 35868, 37905, 40565, 44042, 44835, 48678, 50540, 53067, 55860, 56791, 59780, 66063, 69540, 70756, 75810, 81130, 88084, 88445, 89670, 97356, 106134, 110105, 113582, 121695, 132126, 151620, 154147, 162260, 170373, 176890, 179340, 212268, 220210, 227164, 243390, 264252, 265335, 283955, 308294, 330315, 340746, 353780, 440420, 462441, 486780, 530670, 567910, 616588, 660630, 681492, 770735, 851865, 924882, 1061340, 1079029, 1135820, 1321260, 1541470, 1703730, 1849764, 2158058, 2312205, 3082940, 3237087, 3407460, 4316116, 4624410, 5395145, 6474174, 9248820, 10790290, 12948348, 16185435, 21580580, 32370870, 64741740]

約数ペア:

[(1, 64741740), (2, 32370870), (3, 21580580), (4, 16185435), (5, 12948348), (6, 10790290), (7, 9248820), (10, 6474174), (12, 5395145), (14, 4624410), (15, 4316116), (19, 3407460), (20, 3237087), (21, 3082940), (28, 2312205), (30, 2158058), (35, 1849764), (38, 1703730), (42, 1541470), (49, 1321260), (57, 1135820), (60, 1079029), (61, 1061340), (70, 924882), (76, 851865), (84, 770735), (95, 681492), (98, 660630), (105, 616588), (114, 567910), (122, 530670), (133, 486780), (140, 462441), (147, 440420), (183, 353780), (190, 340746), (196, 330315), (210, 308294), (228, 283955), (244, 265335), (245, 264252), (266, 243390), (285, 227164), (294, 220210), (305, 212268), (361, 179340), (366, 176890), (380, 170373), (399, 162260), (420, 154147), (427, 151620), (490, 132126), (532, 121695), (570, 113582), (588, 110105), (610, 106134), (665, 97356), (722, 89670), (732, 88445), (735, 88084), (798, 81130), (854, 75810), (915, 70756), (931, 69540), (980, 66063), (1083, 59780), (1140, 56791), (1159, 55860), (1220, 53067), (1281, 50540), (1330, 48678), (1444, 44835), (1470, 44042), (1596, 40565), (1708, 37905), (1805, 35868), (1830, 35378), (1862, 34770), (1995, 32452), (2135, 30324), (2166, 29890), (2318, 27930), (2527, 25620), (2562, 25270), (2660, 24339), (2793, 23180), (2940, 22021), (2989, 21660), (3477, 18620), (3610, 17934), (3660, 17689), (3724, 17385), (3990, 16226), (4270, 15162), (4332, 14945), (4636, 13965), (4655, 13908), (5054, 12810), (5124, 12635), (5415, 11956), (5586, 11590), (5795, 11172), (5978, 10830), (6405, 10108), (6954, 9310), (7220, 8967), (7581, 8540), (7980, 8113)]