718858980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2273}}^1$

素因数の和:2546

約数の個数: 144

約数和(自身を含む): 2503073664

約数和(自身を除く): 1784214684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 251, 252, 315, 420, 502, 630, 753, 1004, 1255, 1260, 1506, 1757, 2259, 2273, 2510, 3012, 3514, 3765, 4518, 4546, 5020, 5271, 6819, 7028, 7530, 8785, 9036, 9092, 10542, 11295, 11365, 13638, 15060, 15813, 15911, 17570, 20457, 21084, 22590, 22730, 26355, 27276, 31626, 31822, 34095, 35140, 40914, 45180, 45460, 47733, 52710, 63252, 63644, 68190, 79065, 79555, 81828, 95466, 102285, 105420, 136380, 143199, 158130, 159110, 190932, 204570, 238665, 286398, 316260, 318220, 409140, 477330, 570523, 572796, 715995, 954660, 1141046, 1431990, 1711569, 2282092, 2852615, 2863980, 3423138, 3993661, 5134707, 5705230, 6846276, 7987322, 8557845, 10269414, 11410460, 11980983, 15974644, 17115690, 19968305, 20538828, 23961966, 25673535, 34231380, 35942949, 39936610, 47923932, 51347070, 59904915, 71885898, 79873220, 102694140, 119809830, 143771796, 179714745, 239619660, 359429490, 718858980]

約数ペア:

[(1, 718858980), (2, 359429490), (3, 239619660), (4, 179714745), (5, 143771796), (6, 119809830), (7, 102694140), (9, 79873220), (10, 71885898), (12, 59904915), (14, 51347070), (15, 47923932), (18, 39936610), (20, 35942949), (21, 34231380), (28, 25673535), (30, 23961966), (35, 20538828), (36, 19968305), (42, 17115690), (45, 15974644), (60, 11980983), (63, 11410460), (70, 10269414), (84, 8557845), (90, 7987322), (105, 6846276), (126, 5705230), (140, 5134707), (180, 3993661), (210, 3423138), (251, 2863980), (252, 2852615), (315, 2282092), (420, 1711569), (502, 1431990), (630, 1141046), (753, 954660), (1004, 715995), (1255, 572796), (1260, 570523), (1506, 477330), (1757, 409140), (2259, 318220), (2273, 316260), (2510, 286398), (3012, 238665), (3514, 204570), (3765, 190932), (4518, 159110), (4546, 158130), (5020, 143199), (5271, 136380), (6819, 105420), (7028, 102285), (7530, 95466), (8785, 81828), (9036, 79555), (9092, 79065), (10542, 68190), (11295, 63644), (11365, 63252), (13638, 52710), (15060, 47733), (15813, 45460), (15911, 45180), (17570, 40914), (20457, 35140), (21084, 34095), (22590, 31822), (22730, 31626), (26355, 27276)]