745979220

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:604

約数の個数: 240

約数和(自身を含む): 2697932160

約数和(自身を除く): 1951952940

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, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 157, 162, 180, 189, 210, 252, 270, 314, 315, 324, 378, 405, 419, 420, 471, 540, 567, 628, 630, 756, 785, 810, 838, 942, 945, 1099, 1134, 1257, 1260, 1413, 1570, 1620, 1676, 1884, 1890, 2095, 2198, 2268, 2355, 2514, 2826, 2835, 2933, 3140, 3297, 3771, 3780, 4190, 4239, 4396, 4710, 5028, 5495, 5652, 5670, 5866, 6285, 6594, 7065, 7542, 8380, 8478, 8799, 9420, 9891, 10990, 11313, 11340, 11732, 12570, 12717, 13188, 14130, 14665, 15084, 16485, 16956, 17598, 18855, 19782, 21195, 21980, 22626, 25140, 25434, 26397, 28260, 29330, 29673, 32970, 33939, 35196, 37710, 39564, 42390, 43995, 45252, 49455, 50868, 52794, 56565, 58660, 59346, 63585, 65783, 65940, 67878, 75420, 79191, 84780, 87990, 89019, 98910, 105588, 113130, 118692, 127170, 131566, 131985, 135756, 148365, 158382, 169695, 175980, 178038, 197349, 197820, 226260, 237573, 254340, 263132, 263970, 296730, 316764, 328915, 339390, 356076, 394698, 395955, 445095, 460481, 475146, 527940, 592047, 593460, 657830, 678780, 789396, 791910, 890190, 920962, 950292, 986745, 1184094, 1187865, 1315660, 1381443, 1583820, 1776141, 1780380, 1841924, 1973490, 2302405, 2368188, 2375730, 2762886, 2960235, 3552282, 3946980, 4144329, 4604810, 4751460, 5328423, 5525772, 5920470, 6907215, 7104564, 8288658, 8880705, 9209620, 10656846, 11840940, 12432987, 13814430, 16577316, 17761410, 20721645, 21313692, 24865974, 26642115, 27628860, 35522820, 37298961, 41443290, 49731948, 53284230, 62164935, 74597922, 82886580, 106568460, 124329870, 149195844, 186494805, 248659740, 372989610, 745979220]

約数ペア:

[(1, 745979220), (2, 372989610), (3, 248659740), (4, 186494805), (5, 149195844), (6, 124329870), (7, 106568460), (9, 82886580), (10, 74597922), (12, 62164935), (14, 53284230), (15, 49731948), (18, 41443290), (20, 37298961), (21, 35522820), (27, 27628860), (28, 26642115), (30, 24865974), (35, 21313692), (36, 20721645), (42, 17761410), (45, 16577316), (54, 13814430), (60, 12432987), (63, 11840940), (70, 10656846), (81, 9209620), (84, 8880705), (90, 8288658), (105, 7104564), (108, 6907215), (126, 5920470), (135, 5525772), (140, 5328423), (157, 4751460), (162, 4604810), (180, 4144329), (189, 3946980), (210, 3552282), (252, 2960235), (270, 2762886), (314, 2375730), (315, 2368188), (324, 2302405), (378, 1973490), (405, 1841924), (419, 1780380), (420, 1776141), (471, 1583820), (540, 1381443), (567, 1315660), (628, 1187865), (630, 1184094), (756, 986745), (785, 950292), (810, 920962), (838, 890190), (942, 791910), (945, 789396), (1099, 678780), (1134, 657830), (1257, 593460), (1260, 592047), (1413, 527940), (1570, 475146), (1620, 460481), (1676, 445095), (1884, 395955), (1890, 394698), (2095, 356076), (2198, 339390), (2268, 328915), (2355, 316764), (2514, 296730), (2826, 263970), (2835, 263132), (2933, 254340), (3140, 237573), (3297, 226260), (3771, 197820), (3780, 197349), (4190, 178038), (4239, 175980), (4396, 169695), (4710, 158382), (5028, 148365), (5495, 135756), (5652, 131985), (5670, 131566), (5866, 127170), (6285, 118692), (6594, 113130), (7065, 105588), (7542, 98910), (8380, 89019), (8478, 87990), (8799, 84780), (9420, 79191), (9891, 75420), (10990, 67878), (11313, 65940), (11340, 65783), (11732, 63585), (12570, 59346), (12717, 58660), (13188, 56565), (14130, 52794), (14665, 50868), (15084, 49455), (16485, 45252), (16956, 43995), (17598, 42390), (18855, 39564), (19782, 37710), (21195, 35196), (21980, 33939), (22626, 32970), (25140, 29673), (25434, 29330), (26397, 28260)]