16221660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2971}}^1$

素因数の和:3003

約数の個数: 96

約数和(自身を含む): 55921152

約数和(自身を除く): 39699492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 2971, 5460, 5942, 8913, 11884, 14855, 17826, 20797, 29710, 35652, 38623, 41594, 44565, 59420, 62391, 77246, 83188, 89130, 103985, 115869, 124782, 154492, 178260, 193115, 207970, 231738, 249564, 270361, 311955, 386230, 415940, 463476, 540722, 579345, 623910, 772460, 811083, 1081444, 1158690, 1247820, 1351805, 1622166, 2317380, 2703610, 3244332, 4055415, 5407220, 8110830, 16221660]

約数ペア:

[(1, 16221660), (2, 8110830), (3, 5407220), (4, 4055415), (5, 3244332), (6, 2703610), (7, 2317380), (10, 1622166), (12, 1351805), (13, 1247820), (14, 1158690), (15, 1081444), (20, 811083), (21, 772460), (26, 623910), (28, 579345), (30, 540722), (35, 463476), (39, 415940), (42, 386230), (52, 311955), (60, 270361), (65, 249564), (70, 231738), (78, 207970), (84, 193115), (91, 178260), (105, 154492), (130, 124782), (140, 115869), (156, 103985), (182, 89130), (195, 83188), (210, 77246), (260, 62391), (273, 59420), (364, 44565), (390, 41594), (420, 38623), (455, 35652), (546, 29710), (780, 20797), (910, 17826), (1092, 14855), (1365, 11884), (1820, 8913), (2730, 5942), (2971, 5460)]