87619020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 270670848

約数和(自身を除く): 183051828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 163, 170, 186, 204, 255, 289, 310, 326, 340, 372, 465, 489, 510, 527, 578, 620, 652, 815, 867, 930, 978, 1020, 1054, 1156, 1445, 1581, 1630, 1734, 1860, 1956, 2108, 2445, 2635, 2771, 2890, 3162, 3260, 3468, 4335, 4890, 5053, 5270, 5542, 5780, 6324, 7905, 8313, 8670, 8959, 9780, 10106, 10540, 11084, 13855, 15159, 15810, 16626, 17340, 17918, 20212, 25265, 26877, 27710, 30318, 31620, 33252, 35836, 41565, 44795, 47107, 50530, 53754, 55420, 60636, 75795, 83130, 85901, 89590, 94214, 101060, 107508, 134385, 141321, 151590, 166260, 171802, 179180, 188428, 235535, 257703, 268770, 282642, 303180, 343604, 429505, 471070, 515406, 537540, 565284, 706605, 859010, 942140, 1030812, 1288515, 1413210, 1460317, 1718020, 2577030, 2826420, 2920634, 4380951, 5154060, 5841268, 7301585, 8761902, 14603170, 17523804, 21904755, 29206340, 43809510, 87619020]

約数ペア:

[(1, 87619020), (2, 43809510), (3, 29206340), (4, 21904755), (5, 17523804), (6, 14603170), (10, 8761902), (12, 7301585), (15, 5841268), (17, 5154060), (20, 4380951), (30, 2920634), (31, 2826420), (34, 2577030), (51, 1718020), (60, 1460317), (62, 1413210), (68, 1288515), (85, 1030812), (93, 942140), (102, 859010), (124, 706605), (155, 565284), (163, 537540), (170, 515406), (186, 471070), (204, 429505), (255, 343604), (289, 303180), (310, 282642), (326, 268770), (340, 257703), (372, 235535), (465, 188428), (489, 179180), (510, 171802), (527, 166260), (578, 151590), (620, 141321), (652, 134385), (815, 107508), (867, 101060), (930, 94214), (978, 89590), (1020, 85901), (1054, 83130), (1156, 75795), (1445, 60636), (1581, 55420), (1630, 53754), (1734, 50530), (1860, 47107), (1956, 44795), (2108, 41565), (2445, 35836), (2635, 33252), (2771, 31620), (2890, 30318), (3162, 27710), (3260, 26877), (3468, 25265), (4335, 20212), (4890, 17918), (5053, 17340), (5270, 16626), (5542, 15810), (5780, 15159), (6324, 13855), (7905, 11084), (8313, 10540), (8670, 10106), (8959, 9780)]