81834900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:343

約数の個数: 216

約数和(自身を含む): 290918880

約数和(自身を除く): 209083980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 49, 50, 57, 60, 70, 75, 76, 84, 95, 98, 100, 105, 114, 133, 140, 147, 150, 175, 190, 196, 210, 228, 245, 266, 285, 293, 294, 300, 350, 380, 399, 420, 475, 490, 525, 532, 570, 586, 588, 665, 700, 735, 798, 879, 931, 950, 980, 1050, 1140, 1172, 1225, 1330, 1425, 1465, 1470, 1596, 1758, 1862, 1900, 1995, 2051, 2100, 2450, 2660, 2793, 2850, 2930, 2940, 3325, 3516, 3675, 3724, 3990, 4102, 4395, 4655, 4900, 5567, 5586, 5700, 5860, 6153, 6650, 7325, 7350, 7980, 8204, 8790, 9310, 9975, 10255, 11134, 11172, 12306, 13300, 13965, 14357, 14650, 14700, 16701, 17580, 18620, 19950, 20510, 21975, 22268, 23275, 24612, 27835, 27930, 28714, 29300, 30765, 33402, 38969, 39900, 41020, 43071, 43950, 46550, 51275, 55670, 55860, 57428, 61530, 66804, 69825, 71785, 77938, 83505, 86142, 87900, 93100, 102550, 111340, 116907, 123060, 139175, 139650, 143570, 153825, 155876, 167010, 172284, 194845, 205100, 215355, 233814, 272783, 278350, 279300, 287140, 307650, 334020, 358925, 389690, 417525, 430710, 467628, 545566, 556700, 584535, 615300, 717850, 779380, 818349, 835050, 861420, 974225, 1076775, 1091132, 1169070, 1363915, 1435700, 1636698, 1670100, 1948450, 2153550, 2338140, 2727830, 2922675, 3273396, 3896900, 4091745, 4307100, 5455660, 5845350, 6819575, 8183490, 11690700, 13639150, 16366980, 20458725, 27278300, 40917450, 81834900]

約数ペア:

[(1, 81834900), (2, 40917450), (3, 27278300), (4, 20458725), (5, 16366980), (6, 13639150), (7, 11690700), (10, 8183490), (12, 6819575), (14, 5845350), (15, 5455660), (19, 4307100), (20, 4091745), (21, 3896900), (25, 3273396), (28, 2922675), (30, 2727830), (35, 2338140), (38, 2153550), (42, 1948450), (49, 1670100), (50, 1636698), (57, 1435700), (60, 1363915), (70, 1169070), (75, 1091132), (76, 1076775), (84, 974225), (95, 861420), (98, 835050), (100, 818349), (105, 779380), (114, 717850), (133, 615300), (140, 584535), (147, 556700), (150, 545566), (175, 467628), (190, 430710), (196, 417525), (210, 389690), (228, 358925), (245, 334020), (266, 307650), (285, 287140), (293, 279300), (294, 278350), (300, 272783), (350, 233814), (380, 215355), (399, 205100), (420, 194845), (475, 172284), (490, 167010), (525, 155876), (532, 153825), (570, 143570), (586, 139650), (588, 139175), (665, 123060), (700, 116907), (735, 111340), (798, 102550), (879, 93100), (931, 87900), (950, 86142), (980, 83505), (1050, 77938), (1140, 71785), (1172, 69825), (1225, 66804), (1330, 61530), (1425, 57428), (1465, 55860), (1470, 55670), (1596, 51275), (1758, 46550), (1862, 43950), (1900, 43071), (1995, 41020), (2051, 39900), (2100, 38969), (2450, 33402), (2660, 30765), (2793, 29300), (2850, 28714), (2930, 27930), (2940, 27835), (3325, 24612), (3516, 23275), (3675, 22268), (3724, 21975), (3990, 20510), (4102, 19950), (4395, 18620), (4655, 17580), (4900, 16701), (5567, 14700), (5586, 14650), (5700, 14357), (5860, 13965), (6153, 13300), (6650, 12306), (7325, 11172), (7350, 11134), (7980, 10255), (8204, 9975), (8790, 9310)]