171651920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1489}}^1$

素因数の和:1644

約数の個数: 80

約数和(自身を含む): 438989760

約数和(自身を除く): 267337840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 131, 176, 220, 262, 440, 524, 655, 880, 1048, 1310, 1441, 1489, 2096, 2620, 2882, 2978, 5240, 5764, 5956, 7205, 7445, 10480, 11528, 11912, 14410, 14890, 16379, 23056, 23824, 28820, 29780, 32758, 57640, 59560, 65516, 81895, 115280, 119120, 131032, 163790, 195059, 262064, 327580, 390118, 655160, 780236, 975295, 1310320, 1560472, 1950590, 2145649, 3120944, 3901180, 4291298, 7802360, 8582596, 10728245, 15604720, 17165192, 21456490, 34330384, 42912980, 85825960, 171651920]

約数ペア:

[(1, 171651920), (2, 85825960), (4, 42912980), (5, 34330384), (8, 21456490), (10, 17165192), (11, 15604720), (16, 10728245), (20, 8582596), (22, 7802360), (40, 4291298), (44, 3901180), (55, 3120944), (80, 2145649), (88, 1950590), (110, 1560472), (131, 1310320), (176, 975295), (220, 780236), (262, 655160), (440, 390118), (524, 327580), (655, 262064), (880, 195059), (1048, 163790), (1310, 131032), (1441, 119120), (1489, 115280), (2096, 81895), (2620, 65516), (2882, 59560), (2978, 57640), (5240, 32758), (5764, 29780), (5956, 28820), (7205, 23824), (7445, 23056), (10480, 16379), (11528, 14890), (11912, 14410)]