561209740

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 240

約数和(自身を含む): 1581108480

約数和(自身を除く): 1019898740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 31, 35, 49, 52, 58, 62, 65, 70, 91, 98, 116, 124, 130, 140, 145, 155, 182, 196, 203, 217, 245, 260, 290, 310, 343, 364, 377, 403, 406, 434, 455, 490, 580, 620, 637, 686, 754, 806, 812, 868, 899, 910, 980, 1015, 1085, 1274, 1372, 1421, 1508, 1519, 1612, 1715, 1798, 1820, 1885, 2015, 2030, 2170, 2401, 2548, 2639, 2821, 2842, 3038, 3185, 3430, 3596, 3770, 4030, 4060, 4340, 4459, 4495, 4802, 5278, 5642, 5684, 6076, 6293, 6370, 6860, 7105, 7540, 7595, 8060, 8918, 8990, 9604, 9947, 10556, 10633, 11284, 11687, 12005, 12586, 12740, 13195, 14105, 14210, 15190, 17836, 17980, 18473, 19747, 19894, 21266, 22295, 23374, 24010, 25172, 26390, 28210, 28420, 30380, 31213, 31465, 36946, 39494, 39788, 42532, 44051, 44590, 46748, 48020, 49735, 52780, 53165, 56420, 58435, 62426, 62930, 69629, 73892, 74431, 78988, 81809, 88102, 89180, 92365, 98735, 99470, 106330, 116870, 124852, 125860, 129311, 138229, 139258, 148862, 156065, 163618, 176204, 184730, 197470, 198940, 212660, 220255, 233740, 258622, 276458, 278516, 297724, 308357, 312130, 327236, 348145, 369460, 372155, 394940, 409045, 440510, 517244, 552916, 572663, 616714, 624260, 646555, 691145, 696290, 744310, 818090, 881020, 905177, 967603, 1145326, 1233428, 1293110, 1382290, 1392580, 1488620, 1541785, 1636180, 1810354, 1935206, 2158499, 2290652, 2586220, 2764580, 2863315, 3083570, 3620708, 3870412, 4008641, 4316998, 4525885, 4838015, 5726630, 6167140, 8017282, 8633996, 9051770, 9676030, 10792495, 11453260, 16034564, 18103540, 19352060, 20043205, 21584990, 28060487, 40086410, 43169980, 56120974, 80172820, 112241948, 140302435, 280604870, 561209740]

約数ペア:

[(1, 561209740), (2, 280604870), (4, 140302435), (5, 112241948), (7, 80172820), (10, 56120974), (13, 43169980), (14, 40086410), (20, 28060487), (26, 21584990), (28, 20043205), (29, 19352060), (31, 18103540), (35, 16034564), (49, 11453260), (52, 10792495), (58, 9676030), (62, 9051770), (65, 8633996), (70, 8017282), (91, 6167140), (98, 5726630), (116, 4838015), (124, 4525885), (130, 4316998), (140, 4008641), (145, 3870412), (155, 3620708), (182, 3083570), (196, 2863315), (203, 2764580), (217, 2586220), (245, 2290652), (260, 2158499), (290, 1935206), (310, 1810354), (343, 1636180), (364, 1541785), (377, 1488620), (403, 1392580), (406, 1382290), (434, 1293110), (455, 1233428), (490, 1145326), (580, 967603), (620, 905177), (637, 881020), (686, 818090), (754, 744310), (806, 696290), (812, 691145), (868, 646555), (899, 624260), (910, 616714), (980, 572663), (1015, 552916), (1085, 517244), (1274, 440510), (1372, 409045), (1421, 394940), (1508, 372155), (1519, 369460), (1612, 348145), (1715, 327236), (1798, 312130), (1820, 308357), (1885, 297724), (2015, 278516), (2030, 276458), (2170, 258622), (2401, 233740), (2548, 220255), (2639, 212660), (2821, 198940), (2842, 197470), (3038, 184730), (3185, 176204), (3430, 163618), (3596, 156065), (3770, 148862), (4030, 139258), (4060, 138229), (4340, 129311), (4459, 125860), (4495, 124852), (4802, 116870), (5278, 106330), (5642, 99470), (5684, 98735), (6076, 92365), (6293, 89180), (6370, 88102), (6860, 81809), (7105, 78988), (7540, 74431), (7595, 73892), (8060, 69629), (8918, 62930), (8990, 62426), (9604, 58435), (9947, 56420), (10556, 53165), (10633, 52780), (11284, 49735), (11687, 48020), (12005, 46748), (12586, 44590), (12740, 44051), (13195, 42532), (14105, 39788), (14210, 39494), (15190, 36946), (17836, 31465), (17980, 31213), (18473, 30380), (19747, 28420), (19894, 28210), (21266, 26390), (22295, 25172), (23374, 24010)]