1981981872

素因数分解:

$2^4\times 3^7\times {\mathrm{13}}^1\times {\mathrm{4357}}^1$

素因数の和:4399

約数の個数: 160

約数和(自身を含む): 6203700160

約数和(自身を除く): 4221718288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 312, 324, 351, 432, 468, 486, 624, 648, 702, 729, 936, 972, 1053, 1296, 1404, 1458, 1872, 1944, 2106, 2187, 2808, 2916, 3159, 3888, 4212, 4357, 4374, 5616, 5832, 6318, 8424, 8714, 8748, 9477, 11664, 12636, 13071, 16848, 17428, 17496, 18954, 25272, 26142, 28431, 34856, 34992, 37908, 39213, 50544, 52284, 56641, 56862, 69712, 75816, 78426, 104568, 113282, 113724, 117639, 151632, 156852, 169923, 209136, 226564, 227448, 235278, 313704, 339846, 352917, 453128, 454896, 470556, 509769, 627408, 679692, 705834, 906256, 941112, 1019538, 1058751, 1359384, 1411668, 1529307, 1882224, 2039076, 2117502, 2718768, 2823336, 3058614, 3176253, 4078152, 4235004, 4587921, 5646672, 6117228, 6352506, 8156304, 8470008, 9175842, 9528759, 12234456, 12705012, 13763763, 16940016, 18351684, 19057518, 24468912, 25410024, 27527526, 36703368, 38115036, 41291289, 50820048, 55055052, 73406736, 76230072, 82582578, 110110104, 123873867, 152460144, 165165156, 220220208, 247747734, 330330312, 495495468, 660660624, 990990936, 1981981872]

約数ペア:

[(1, 1981981872), (2, 990990936), (3, 660660624), (4, 495495468), (6, 330330312), (8, 247747734), (9, 220220208), (12, 165165156), (13, 152460144), (16, 123873867), (18, 110110104), (24, 82582578), (26, 76230072), (27, 73406736), (36, 55055052), (39, 50820048), (48, 41291289), (52, 38115036), (54, 36703368), (72, 27527526), (78, 25410024), (81, 24468912), (104, 19057518), (108, 18351684), (117, 16940016), (144, 13763763), (156, 12705012), (162, 12234456), (208, 9528759), (216, 9175842), (234, 8470008), (243, 8156304), (312, 6352506), (324, 6117228), (351, 5646672), (432, 4587921), (468, 4235004), (486, 4078152), (624, 3176253), (648, 3058614), (702, 2823336), (729, 2718768), (936, 2117502), (972, 2039076), (1053, 1882224), (1296, 1529307), (1404, 1411668), (1458, 1359384), (1872, 1058751), (1944, 1019538), (2106, 941112), (2187, 906256), (2808, 705834), (2916, 679692), (3159, 627408), (3888, 509769), (4212, 470556), (4357, 454896), (4374, 453128), (5616, 352917), (5832, 339846), (6318, 313704), (8424, 235278), (8714, 227448), (8748, 226564), (9477, 209136), (11664, 169923), (12636, 156852), (13071, 151632), (16848, 117639), (17428, 113724), (17496, 113282), (18954, 104568), (25272, 78426), (26142, 75816), (28431, 69712), (34856, 56862), (34992, 56641), (37908, 52284), (39213, 50544)]