15897420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 288

約数和(自身を含む): 63737856

約数和(自身を除く): 47840436

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 31, 33, 35, 36, 37, 42, 44, 45, 55, 60, 62, 63, 66, 70, 74, 77, 84, 90, 93, 99, 105, 110, 111, 124, 126, 132, 140, 148, 154, 155, 165, 180, 185, 186, 198, 210, 217, 220, 222, 231, 252, 259, 279, 308, 310, 315, 330, 333, 341, 370, 372, 385, 396, 407, 420, 434, 444, 462, 465, 495, 518, 555, 558, 620, 630, 651, 660, 666, 682, 693, 740, 770, 777, 814, 868, 924, 930, 990, 1023, 1036, 1085, 1110, 1116, 1147, 1155, 1221, 1260, 1295, 1302, 1332, 1364, 1386, 1395, 1540, 1554, 1628, 1665, 1705, 1860, 1953, 1980, 2035, 2046, 2170, 2220, 2294, 2310, 2331, 2387, 2442, 2590, 2604, 2772, 2790, 2849, 3069, 3108, 3255, 3330, 3410, 3441, 3465, 3663, 3885, 3906, 4070, 4092, 4340, 4588, 4620, 4662, 4774, 4884, 5115, 5180, 5580, 5698, 5735, 6105, 6138, 6510, 6660, 6820, 6882, 6930, 7161, 7326, 7770, 7812, 8029, 8140, 8547, 9324, 9548, 9765, 10230, 10323, 11396, 11470, 11655, 11935, 12210, 12276, 12617, 13020, 13764, 13860, 14245, 14322, 14652, 15345, 15540, 16058, 17094, 17205, 18315, 19530, 20460, 20646, 21483, 22940, 23310, 23870, 24087, 24420, 25234, 25641, 28490, 28644, 30690, 32116, 34188, 34410, 35805, 36630, 37851, 39060, 40145, 41292, 42735, 42966, 46620, 47740, 48174, 50468, 51282, 51615, 56980, 61380, 63085, 68820, 71610, 72261, 73260, 75702, 80290, 85470, 85932, 88319, 96348, 102564, 103230, 107415, 113553, 120435, 126170, 128205, 143220, 144522, 151404, 160580, 170940, 176638, 189255, 206460, 214830, 227106, 240870, 252340, 256410, 264957, 289044, 353276, 361305, 378510, 429660, 441595, 454212, 481740, 512820, 529914, 567765, 722610, 757020, 794871, 883190, 1059828, 1135530, 1324785, 1445220, 1589742, 1766380, 2271060, 2649570, 3179484, 3974355, 5299140, 7948710, 15897420]

約数ペア:

[(1, 15897420), (2, 7948710), (3, 5299140), (4, 3974355), (5, 3179484), (6, 2649570), (7, 2271060), (9, 1766380), (10, 1589742), (11, 1445220), (12, 1324785), (14, 1135530), (15, 1059828), (18, 883190), (20, 794871), (21, 757020), (22, 722610), (28, 567765), (30, 529914), (31, 512820), (33, 481740), (35, 454212), (36, 441595), (37, 429660), (42, 378510), (44, 361305), (45, 353276), (55, 289044), (60, 264957), (62, 256410), (63, 252340), (66, 240870), (70, 227106), (74, 214830), (77, 206460), (84, 189255), (90, 176638), (93, 170940), (99, 160580), (105, 151404), (110, 144522), (111, 143220), (124, 128205), (126, 126170), (132, 120435), (140, 113553), (148, 107415), (154, 103230), (155, 102564), (165, 96348), (180, 88319), (185, 85932), (186, 85470), (198, 80290), (210, 75702), (217, 73260), (220, 72261), (222, 71610), (231, 68820), (252, 63085), (259, 61380), (279, 56980), (308, 51615), (310, 51282), (315, 50468), (330, 48174), (333, 47740), (341, 46620), (370, 42966), (372, 42735), (385, 41292), (396, 40145), (407, 39060), (420, 37851), (434, 36630), (444, 35805), (462, 34410), (465, 34188), (495, 32116), (518, 30690), (555, 28644), (558, 28490), (620, 25641), (630, 25234), (651, 24420), (660, 24087), (666, 23870), (682, 23310), (693, 22940), (740, 21483), (770, 20646), (777, 20460), (814, 19530), (868, 18315), (924, 17205), (930, 17094), (990, 16058), (1023, 15540), (1036, 15345), (1085, 14652), (1110, 14322), (1116, 14245), (1147, 13860), (1155, 13764), (1221, 13020), (1260, 12617), (1295, 12276), (1302, 12210), (1332, 11935), (1364, 11655), (1386, 11470), (1395, 11396), (1540, 10323), (1554, 10230), (1628, 9765), (1665, 9548), (1705, 9324), (1860, 8547), (1953, 8140), (1980, 8029), (2035, 7812), (2046, 7770), (2170, 7326), (2220, 7161), (2294, 6930), (2310, 6882), (2331, 6820), (2387, 6660), (2442, 6510), (2590, 6138), (2604, 6105), (2772, 5735), (2790, 5698), (2849, 5580), (3069, 5180), (3108, 5115), (3255, 4884), (3330, 4774), (3410, 4662), (3441, 4620), (3465, 4588), (3663, 4340), (3885, 4092), (3906, 4070)]