642739860

素因数分解:

$2^2\times 3^5\times 5^1\times 7^2\times {\mathrm{2699}}^1$

素因数の和:2737

約数の個数: 216

約数和(自身を含む): 2352823200

約数和(自身を除く): 1710083340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 243, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 486, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 972, 980, 1134, 1215, 1260, 1323, 1470, 1620, 1701, 1764, 1890, 2205, 2268, 2430, 2646, 2699, 2835, 2940, 3402, 3780, 3969, 4410, 4860, 5292, 5398, 5670, 6615, 6804, 7938, 8097, 8505, 8820, 10796, 11340, 11907, 13230, 13495, 15876, 16194, 17010, 18893, 19845, 23814, 24291, 26460, 26990, 32388, 34020, 37786, 39690, 40485, 47628, 48582, 53980, 56679, 59535, 72873, 75572, 79380, 80970, 94465, 97164, 113358, 119070, 121455, 132251, 145746, 161940, 170037, 188930, 218619, 226716, 238140, 242910, 264502, 283395, 291492, 340074, 364365, 377860, 396753, 437238, 485820, 510111, 529004, 566790, 655857, 661255, 680148, 728730, 793506, 850185, 874476, 1020222, 1093095, 1133580, 1190259, 1311714, 1322510, 1457460, 1530333, 1587012, 1700370, 1983765, 2040444, 2186190, 2380518, 2550555, 2623428, 2645020, 3060666, 3279285, 3400740, 3570777, 3967530, 4372380, 4590999, 4761036, 5101110, 5951295, 6121332, 6558570, 7141554, 7651665, 7935060, 9181998, 10202220, 10712331, 11902590, 13117140, 14283108, 15303330, 17853885, 18363996, 21424662, 22954995, 23805180, 30606660, 32136993, 35707770, 42849324, 45909990, 53561655, 64273986, 71415540, 91819980, 107123310, 128547972, 160684965, 214246620, 321369930, 642739860]

約数ペア:

[(1, 642739860), (2, 321369930), (3, 214246620), (4, 160684965), (5, 128547972), (6, 107123310), (7, 91819980), (9, 71415540), (10, 64273986), (12, 53561655), (14, 45909990), (15, 42849324), (18, 35707770), (20, 32136993), (21, 30606660), (27, 23805180), (28, 22954995), (30, 21424662), (35, 18363996), (36, 17853885), (42, 15303330), (45, 14283108), (49, 13117140), (54, 11902590), (60, 10712331), (63, 10202220), (70, 9181998), (81, 7935060), (84, 7651665), (90, 7141554), (98, 6558570), (105, 6121332), (108, 5951295), (126, 5101110), (135, 4761036), (140, 4590999), (147, 4372380), (162, 3967530), (180, 3570777), (189, 3400740), (196, 3279285), (210, 3060666), (243, 2645020), (245, 2623428), (252, 2550555), (270, 2380518), (294, 2186190), (315, 2040444), (324, 1983765), (378, 1700370), (405, 1587012), (420, 1530333), (441, 1457460), (486, 1322510), (490, 1311714), (540, 1190259), (567, 1133580), (588, 1093095), (630, 1020222), (735, 874476), (756, 850185), (810, 793506), (882, 728730), (945, 680148), (972, 661255), (980, 655857), (1134, 566790), (1215, 529004), (1260, 510111), (1323, 485820), (1470, 437238), (1620, 396753), (1701, 377860), (1764, 364365), (1890, 340074), (2205, 291492), (2268, 283395), (2430, 264502), (2646, 242910), (2699, 238140), (2835, 226716), (2940, 218619), (3402, 188930), (3780, 170037), (3969, 161940), (4410, 145746), (4860, 132251), (5292, 121455), (5398, 119070), (5670, 113358), (6615, 97164), (6804, 94465), (7938, 80970), (8097, 79380), (8505, 75572), (8820, 72873), (10796, 59535), (11340, 56679), (11907, 53980), (13230, 48582), (13495, 47628), (15876, 40485), (16194, 39690), (17010, 37786), (18893, 34020), (19845, 32388), (23814, 26990), (24291, 26460)]