1990035480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1\times {\mathrm{619}}^1$

素因数の和:1073

約数の個数: 128

約数和(自身を含む): 6078182400

約数和(自身を除く): 4088146920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 367, 438, 584, 619, 730, 734, 876, 1095, 1101, 1238, 1460, 1468, 1752, 1835, 1857, 2190, 2202, 2476, 2920, 2936, 3095, 3670, 3714, 4380, 4404, 4952, 5505, 6190, 7340, 7428, 8760, 8808, 9285, 11010, 12380, 14680, 14856, 18570, 22020, 24760, 26791, 37140, 44040, 45187, 53582, 74280, 80373, 90374, 107164, 133955, 135561, 160746, 180748, 214328, 225935, 227173, 267910, 271122, 321492, 361496, 401865, 451870, 454346, 535820, 542244, 642984, 677805, 681519, 803730, 903740, 908692, 1071640, 1084488, 1135865, 1355610, 1363038, 1607460, 1807480, 1817384, 2271730, 2711220, 2726076, 3214920, 3407595, 4543460, 5422440, 5452152, 6815190, 9086920, 13630380, 16583629, 27260760, 33167258, 49750887, 66334516, 82918145, 99501774, 132669032, 165836290, 199003548, 248754435, 331672580, 398007096, 497508870, 663345160, 995017740, 1990035480]

約数ペア:

[(1, 1990035480), (2, 995017740), (3, 663345160), (4, 497508870), (5, 398007096), (6, 331672580), (8, 248754435), (10, 199003548), (12, 165836290), (15, 132669032), (20, 99501774), (24, 82918145), (30, 66334516), (40, 49750887), (60, 33167258), (73, 27260760), (120, 16583629), (146, 13630380), (219, 9086920), (292, 6815190), (365, 5452152), (367, 5422440), (438, 4543460), (584, 3407595), (619, 3214920), (730, 2726076), (734, 2711220), (876, 2271730), (1095, 1817384), (1101, 1807480), (1238, 1607460), (1460, 1363038), (1468, 1355610), (1752, 1135865), (1835, 1084488), (1857, 1071640), (2190, 908692), (2202, 903740), (2476, 803730), (2920, 681519), (2936, 677805), (3095, 642984), (3670, 542244), (3714, 535820), (4380, 454346), (4404, 451870), (4952, 401865), (5505, 361496), (6190, 321492), (7340, 271122), (7428, 267910), (8760, 227173), (8808, 225935), (9285, 214328), (11010, 180748), (12380, 160746), (14680, 135561), (14856, 133955), (18570, 107164), (22020, 90374), (24760, 80373), (26791, 74280), (37140, 53582), (44040, 45187)]