9811980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 108

約数和(自身を含む): 31619952

約数和(自身を除く): 21807972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 151, 171, 180, 190, 228, 285, 302, 342, 361, 380, 453, 570, 604, 684, 722, 755, 855, 906, 1083, 1140, 1359, 1444, 1510, 1710, 1805, 1812, 2166, 2265, 2718, 2869, 3020, 3249, 3420, 3610, 4332, 4530, 5415, 5436, 5738, 6498, 6795, 7220, 8607, 9060, 10830, 11476, 12996, 13590, 14345, 16245, 17214, 21660, 25821, 27180, 28690, 32490, 34428, 43035, 51642, 54511, 57380, 64980, 86070, 103284, 109022, 129105, 163533, 172140, 218044, 258210, 272555, 327066, 490599, 516420, 545110, 654132, 817665, 981198, 1090220, 1635330, 1962396, 2452995, 3270660, 4905990, 9811980]

約数ペア:

[(1, 9811980), (2, 4905990), (3, 3270660), (4, 2452995), (5, 1962396), (6, 1635330), (9, 1090220), (10, 981198), (12, 817665), (15, 654132), (18, 545110), (19, 516420), (20, 490599), (30, 327066), (36, 272555), (38, 258210), (45, 218044), (57, 172140), (60, 163533), (76, 129105), (90, 109022), (95, 103284), (114, 86070), (151, 64980), (171, 57380), (180, 54511), (190, 51642), (228, 43035), (285, 34428), (302, 32490), (342, 28690), (361, 27180), (380, 25821), (453, 21660), (570, 17214), (604, 16245), (684, 14345), (722, 13590), (755, 12996), (855, 11476), (906, 10830), (1083, 9060), (1140, 8607), (1359, 7220), (1444, 6795), (1510, 6498), (1710, 5738), (1805, 5436), (1812, 5415), (2166, 4530), (2265, 4332), (2718, 3610), (2869, 3420), (3020, 3249)]