640899324

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 192

約数和(自身を含む): 1896652800

約数和(自身を除く): 1255753476

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 89, 92, 108, 117, 138, 156, 178, 207, 223, 234, 267, 276, 299, 351, 356, 414, 446, 468, 534, 598, 621, 669, 702, 801, 828, 892, 897, 1068, 1157, 1196, 1242, 1338, 1404, 1602, 1794, 2007, 2047, 2314, 2403, 2484, 2676, 2691, 2899, 3204, 3471, 3588, 4014, 4094, 4628, 4806, 5129, 5382, 5798, 6021, 6141, 6942, 8028, 8073, 8188, 8697, 9612, 10258, 10413, 10764, 11596, 12042, 12282, 13884, 15387, 16146, 17394, 18423, 19847, 20516, 20826, 24084, 24564, 26091, 26611, 30774, 31239, 32292, 34788, 36846, 39694, 41652, 46161, 52182, 53222, 55269, 59541, 61548, 62478, 66677, 73692, 78273, 79388, 79833, 92322, 104364, 106444, 110538, 119082, 124956, 133354, 138483, 156546, 159666, 178623, 184644, 200031, 221076, 238164, 239499, 258011, 266708, 276966, 313092, 319332, 357246, 400062, 456481, 478998, 516022, 535869, 553932, 600093, 714492, 718497, 774033, 800124, 912962, 957996, 1032044, 1071738, 1200186, 1369443, 1436994, 1548066, 1800279, 1825924, 2143476, 2322099, 2400372, 2738886, 2873988, 3096132, 3600558, 4108329, 4644198, 5477772, 5934253, 6966297, 7201116, 8216658, 9288396, 11868506, 12324987, 13932594, 16433316, 17802759, 23737012, 24649974, 27865188, 35605518, 49299948, 53408277, 71211036, 106816554, 160224831, 213633108, 320449662, 640899324]

約数ペア:

[(1, 640899324), (2, 320449662), (3, 213633108), (4, 160224831), (6, 106816554), (9, 71211036), (12, 53408277), (13, 49299948), (18, 35605518), (23, 27865188), (26, 24649974), (27, 23737012), (36, 17802759), (39, 16433316), (46, 13932594), (52, 12324987), (54, 11868506), (69, 9288396), (78, 8216658), (89, 7201116), (92, 6966297), (108, 5934253), (117, 5477772), (138, 4644198), (156, 4108329), (178, 3600558), (207, 3096132), (223, 2873988), (234, 2738886), (267, 2400372), (276, 2322099), (299, 2143476), (351, 1825924), (356, 1800279), (414, 1548066), (446, 1436994), (468, 1369443), (534, 1200186), (598, 1071738), (621, 1032044), (669, 957996), (702, 912962), (801, 800124), (828, 774033), (892, 718497), (897, 714492), (1068, 600093), (1157, 553932), (1196, 535869), (1242, 516022), (1338, 478998), (1404, 456481), (1602, 400062), (1794, 357246), (2007, 319332), (2047, 313092), (2314, 276966), (2403, 266708), (2484, 258011), (2676, 239499), (2691, 238164), (2899, 221076), (3204, 200031), (3471, 184644), (3588, 178623), (4014, 159666), (4094, 156546), (4628, 138483), (4806, 133354), (5129, 124956), (5382, 119082), (5798, 110538), (6021, 106444), (6141, 104364), (6942, 92322), (8028, 79833), (8073, 79388), (8188, 78273), (8697, 73692), (9612, 66677), (10258, 62478), (10413, 61548), (10764, 59541), (11596, 55269), (12042, 53222), (12282, 52182), (13884, 46161), (15387, 41652), (16146, 39694), (17394, 36846), (18423, 34788), (19847, 32292), (20516, 31239), (20826, 30774), (24084, 26611), (24564, 26091)]