262543960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 738720000

約数和(自身を除く): 476176040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 31, 35, 40, 49, 56, 58, 62, 70, 98, 116, 124, 140, 145, 149, 155, 196, 203, 217, 232, 245, 248, 280, 290, 298, 310, 392, 406, 434, 490, 580, 596, 620, 745, 812, 868, 899, 980, 1015, 1043, 1085, 1160, 1192, 1240, 1421, 1490, 1519, 1624, 1736, 1798, 1960, 2030, 2086, 2170, 2842, 2980, 3038, 3596, 4060, 4172, 4321, 4340, 4495, 4619, 5215, 5684, 5960, 6076, 6293, 7105, 7192, 7301, 7595, 8120, 8344, 8642, 8680, 8990, 9238, 10430, 11368, 12152, 12586, 14210, 14602, 15190, 17284, 17980, 18476, 20860, 21605, 23095, 25172, 28420, 29204, 30247, 30380, 31465, 32333, 34568, 35960, 36505, 36952, 41720, 43210, 44051, 46190, 50344, 56840, 58408, 60494, 60760, 62930, 64666, 73010, 86420, 88102, 92380, 120988, 125860, 129332, 133951, 146020, 151235, 161665, 172840, 176204, 184760, 211729, 220255, 226331, 241976, 251720, 258664, 267902, 292040, 302470, 323330, 352408, 423458, 440510, 452662, 535804, 604940, 646660, 669755, 846916, 881020, 905324, 937657, 1058645, 1071608, 1131655, 1209880, 1293320, 1339510, 1693832, 1762040, 1810648, 1875314, 2117290, 2263310, 2679020, 3750628, 4234580, 4526620, 4688285, 5358040, 6563599, 7501256, 8469160, 9053240, 9376570, 13127198, 18753140, 26254396, 32817995, 37506280, 52508792, 65635990, 131271980, 262543960]

約数ペア:

[(1, 262543960), (2, 131271980), (4, 65635990), (5, 52508792), (7, 37506280), (8, 32817995), (10, 26254396), (14, 18753140), (20, 13127198), (28, 9376570), (29, 9053240), (31, 8469160), (35, 7501256), (40, 6563599), (49, 5358040), (56, 4688285), (58, 4526620), (62, 4234580), (70, 3750628), (98, 2679020), (116, 2263310), (124, 2117290), (140, 1875314), (145, 1810648), (149, 1762040), (155, 1693832), (196, 1339510), (203, 1293320), (217, 1209880), (232, 1131655), (245, 1071608), (248, 1058645), (280, 937657), (290, 905324), (298, 881020), (310, 846916), (392, 669755), (406, 646660), (434, 604940), (490, 535804), (580, 452662), (596, 440510), (620, 423458), (745, 352408), (812, 323330), (868, 302470), (899, 292040), (980, 267902), (1015, 258664), (1043, 251720), (1085, 241976), (1160, 226331), (1192, 220255), (1240, 211729), (1421, 184760), (1490, 176204), (1519, 172840), (1624, 161665), (1736, 151235), (1798, 146020), (1960, 133951), (2030, 129332), (2086, 125860), (2170, 120988), (2842, 92380), (2980, 88102), (3038, 86420), (3596, 73010), (4060, 64666), (4172, 62930), (4321, 60760), (4340, 60494), (4495, 58408), (4619, 56840), (5215, 50344), (5684, 46190), (5960, 44051), (6076, 43210), (6293, 41720), (7105, 36952), (7192, 36505), (7301, 35960), (7595, 34568), (8120, 32333), (8344, 31465), (8642, 30380), (8680, 30247), (8990, 29204), (9238, 28420), (10430, 25172), (11368, 23095), (12152, 21605), (12586, 20860), (14210, 18476), (14602, 17980), (15190, 17284)]