87741780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:366

約数の個数: 192

約数和(自身を含む): 303464448

約数和(自身を除く): 215722668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 31, 35, 42, 46, 60, 62, 69, 70, 84, 92, 93, 105, 115, 124, 138, 140, 155, 161, 186, 210, 217, 230, 276, 293, 310, 322, 345, 372, 420, 434, 460, 465, 483, 586, 620, 644, 651, 690, 713, 805, 868, 879, 930, 966, 1085, 1172, 1302, 1380, 1426, 1465, 1610, 1758, 1860, 1932, 2051, 2139, 2170, 2415, 2604, 2852, 2930, 3220, 3255, 3516, 3565, 4102, 4278, 4340, 4395, 4830, 4991, 5860, 6153, 6510, 6739, 7130, 8204, 8556, 8790, 9083, 9660, 9982, 10255, 10695, 12306, 13020, 13478, 14260, 14973, 17580, 18166, 19964, 20217, 20510, 21390, 24612, 24955, 26956, 27249, 29946, 30765, 33695, 36332, 40434, 41020, 42780, 45415, 47173, 49910, 54498, 59892, 61530, 63581, 67390, 74865, 80868, 90830, 94346, 99820, 101085, 108996, 123060, 127162, 134780, 136245, 141519, 149730, 181660, 188692, 190743, 202170, 208909, 235865, 254324, 272490, 283038, 299460, 317905, 381486, 404340, 417818, 471730, 544980, 566076, 626727, 635810, 707595, 762972, 835636, 943460, 953715, 1044545, 1253454, 1271620, 1415190, 1462363, 1907430, 2089090, 2506908, 2830380, 2924726, 3133635, 3814860, 4178180, 4387089, 5849452, 6267270, 7311815, 8774178, 12534540, 14623630, 17548356, 21935445, 29247260, 43870890, 87741780]

約数ペア:

[(1, 87741780), (2, 43870890), (3, 29247260), (4, 21935445), (5, 17548356), (6, 14623630), (7, 12534540), (10, 8774178), (12, 7311815), (14, 6267270), (15, 5849452), (20, 4387089), (21, 4178180), (23, 3814860), (28, 3133635), (30, 2924726), (31, 2830380), (35, 2506908), (42, 2089090), (46, 1907430), (60, 1462363), (62, 1415190), (69, 1271620), (70, 1253454), (84, 1044545), (92, 953715), (93, 943460), (105, 835636), (115, 762972), (124, 707595), (138, 635810), (140, 626727), (155, 566076), (161, 544980), (186, 471730), (210, 417818), (217, 404340), (230, 381486), (276, 317905), (293, 299460), (310, 283038), (322, 272490), (345, 254324), (372, 235865), (420, 208909), (434, 202170), (460, 190743), (465, 188692), (483, 181660), (586, 149730), (620, 141519), (644, 136245), (651, 134780), (690, 127162), (713, 123060), (805, 108996), (868, 101085), (879, 99820), (930, 94346), (966, 90830), (1085, 80868), (1172, 74865), (1302, 67390), (1380, 63581), (1426, 61530), (1465, 59892), (1610, 54498), (1758, 49910), (1860, 47173), (1932, 45415), (2051, 42780), (2139, 41020), (2170, 40434), (2415, 36332), (2604, 33695), (2852, 30765), (2930, 29946), (3220, 27249), (3255, 26956), (3516, 24955), (3565, 24612), (4102, 21390), (4278, 20510), (4340, 20217), (4395, 19964), (4830, 18166), (4991, 17580), (5860, 14973), (6153, 14260), (6510, 13478), (6739, 13020), (7130, 12306), (8204, 10695), (8556, 10255), (8790, 9982), (9083, 9660)]