81669360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:611

約数の個数: 160

約数和(自身を含む): 275821632

約数和(自身を除く): 194152272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 37, 40, 48, 51, 60, 68, 74, 80, 85, 102, 111, 120, 136, 148, 170, 185, 204, 222, 240, 255, 272, 296, 340, 370, 408, 444, 510, 541, 555, 592, 629, 680, 740, 816, 888, 1020, 1082, 1110, 1258, 1360, 1480, 1623, 1776, 1887, 2040, 2164, 2220, 2516, 2705, 2960, 3145, 3246, 3774, 4080, 4328, 4440, 5032, 5410, 6290, 6492, 7548, 8115, 8656, 8880, 9197, 9435, 10064, 10820, 12580, 12984, 15096, 16230, 18394, 18870, 20017, 21640, 25160, 25968, 27591, 30192, 32460, 36788, 37740, 40034, 43280, 45985, 50320, 55182, 60051, 64920, 73576, 75480, 80068, 91970, 100085, 110364, 120102, 129840, 137955, 147152, 150960, 160136, 183940, 200170, 220728, 240204, 275910, 300255, 320272, 340289, 367880, 400340, 441456, 480408, 551820, 600510, 680578, 735760, 800680, 960816, 1020867, 1103640, 1201020, 1361156, 1601360, 1701445, 2041734, 2207280, 2402040, 2722312, 3402890, 4083468, 4804080, 5104335, 5444624, 6805780, 8166936, 10208670, 13611560, 16333872, 20417340, 27223120, 40834680, 81669360]

約数ペア:

[(1, 81669360), (2, 40834680), (3, 27223120), (4, 20417340), (5, 16333872), (6, 13611560), (8, 10208670), (10, 8166936), (12, 6805780), (15, 5444624), (16, 5104335), (17, 4804080), (20, 4083468), (24, 3402890), (30, 2722312), (34, 2402040), (37, 2207280), (40, 2041734), (48, 1701445), (51, 1601360), (60, 1361156), (68, 1201020), (74, 1103640), (80, 1020867), (85, 960816), (102, 800680), (111, 735760), (120, 680578), (136, 600510), (148, 551820), (170, 480408), (185, 441456), (204, 400340), (222, 367880), (240, 340289), (255, 320272), (272, 300255), (296, 275910), (340, 240204), (370, 220728), (408, 200170), (444, 183940), (510, 160136), (541, 150960), (555, 147152), (592, 137955), (629, 129840), (680, 120102), (740, 110364), (816, 100085), (888, 91970), (1020, 80068), (1082, 75480), (1110, 73576), (1258, 64920), (1360, 60051), (1480, 55182), (1623, 50320), (1776, 45985), (1887, 43280), (2040, 40034), (2164, 37740), (2220, 36788), (2516, 32460), (2705, 30192), (2960, 27591), (3145, 25968), (3246, 25160), (3774, 21640), (4080, 20017), (4328, 18870), (4440, 18394), (5032, 16230), (5410, 15096), (6290, 12984), (6492, 12580), (7548, 10820), (8115, 10064), (8656, 9435), (8880, 9197)]