288427720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 192

約数和(自身を含む): 803727360

約数和(自身を除く): 515299640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 47, 49, 56, 62, 70, 94, 98, 101, 124, 140, 155, 188, 196, 202, 217, 235, 245, 248, 280, 310, 329, 376, 392, 404, 434, 470, 490, 505, 620, 658, 707, 808, 868, 940, 980, 1010, 1085, 1240, 1316, 1414, 1457, 1519, 1645, 1736, 1880, 1960, 2020, 2170, 2303, 2632, 2828, 2914, 3038, 3131, 3290, 3535, 4040, 4340, 4606, 4747, 4949, 5656, 5828, 6076, 6262, 6580, 7070, 7285, 7595, 8680, 9212, 9494, 9898, 10199, 11515, 11656, 12152, 12524, 13160, 14140, 14570, 15190, 15655, 18424, 18988, 19796, 20398, 21917, 23030, 23735, 24745, 25048, 28280, 29140, 30380, 31310, 33229, 37976, 39592, 40796, 43834, 46060, 47470, 49490, 50995, 58280, 60760, 62620, 66458, 71393, 81592, 87668, 92120, 94940, 98980, 101990, 109585, 125240, 132916, 142786, 147157, 153419, 166145, 175336, 189880, 197960, 203980, 219170, 232603, 265832, 285572, 294314, 306838, 332290, 356965, 407960, 438340, 465206, 571144, 588628, 613676, 664580, 713930, 735785, 767095, 876680, 930412, 1030099, 1163015, 1177256, 1227352, 1329160, 1427860, 1471570, 1534190, 1860824, 2060198, 2326030, 2855720, 2943140, 3068380, 4120396, 4652060, 5150495, 5886280, 6136760, 7210693, 8240792, 9304120, 10300990, 14421386, 20601980, 28842772, 36053465, 41203960, 57685544, 72106930, 144213860, 288427720]

約数ペア:

[(1, 288427720), (2, 144213860), (4, 72106930), (5, 57685544), (7, 41203960), (8, 36053465), (10, 28842772), (14, 20601980), (20, 14421386), (28, 10300990), (31, 9304120), (35, 8240792), (40, 7210693), (47, 6136760), (49, 5886280), (56, 5150495), (62, 4652060), (70, 4120396), (94, 3068380), (98, 2943140), (101, 2855720), (124, 2326030), (140, 2060198), (155, 1860824), (188, 1534190), (196, 1471570), (202, 1427860), (217, 1329160), (235, 1227352), (245, 1177256), (248, 1163015), (280, 1030099), (310, 930412), (329, 876680), (376, 767095), (392, 735785), (404, 713930), (434, 664580), (470, 613676), (490, 588628), (505, 571144), (620, 465206), (658, 438340), (707, 407960), (808, 356965), (868, 332290), (940, 306838), (980, 294314), (1010, 285572), (1085, 265832), (1240, 232603), (1316, 219170), (1414, 203980), (1457, 197960), (1519, 189880), (1645, 175336), (1736, 166145), (1880, 153419), (1960, 147157), (2020, 142786), (2170, 132916), (2303, 125240), (2632, 109585), (2828, 101990), (2914, 98980), (3038, 94940), (3131, 92120), (3290, 87668), (3535, 81592), (4040, 71393), (4340, 66458), (4606, 62620), (4747, 60760), (4949, 58280), (5656, 50995), (5828, 49490), (6076, 47470), (6262, 46060), (6580, 43834), (7070, 40796), (7285, 39592), (7595, 37976), (8680, 33229), (9212, 31310), (9494, 30380), (9898, 29140), (10199, 28280), (11515, 25048), (11656, 24745), (12152, 23735), (12524, 23030), (13160, 21917), (14140, 20398), (14570, 19796), (15190, 18988), (15655, 18424)]