128639940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 288

約数和(自身を含む): 450455040

約数和(自身を除く): 321815100

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 29, 30, 33, 39, 44, 47, 52, 55, 58, 60, 65, 66, 78, 87, 94, 110, 116, 121, 130, 132, 141, 143, 145, 156, 165, 174, 188, 195, 220, 235, 242, 260, 282, 286, 290, 319, 330, 348, 363, 377, 390, 429, 435, 470, 484, 517, 564, 572, 580, 605, 611, 638, 660, 705, 715, 726, 754, 780, 858, 870, 940, 957, 1034, 1131, 1210, 1222, 1276, 1363, 1410, 1430, 1452, 1508, 1551, 1573, 1595, 1716, 1740, 1815, 1833, 1885, 1914, 2068, 2145, 2262, 2420, 2444, 2585, 2726, 2820, 2860, 3055, 3102, 3146, 3190, 3509, 3630, 3666, 3770, 3828, 4089, 4147, 4290, 4524, 4719, 4785, 5170, 5452, 5655, 5687, 6110, 6204, 6292, 6380, 6721, 6815, 7018, 7260, 7332, 7540, 7755, 7865, 8178, 8294, 8580, 9165, 9438, 9570, 10340, 10527, 11310, 11374, 12220, 12441, 13442, 13630, 14036, 14993, 15510, 15730, 16356, 16588, 17061, 17545, 17719, 18330, 18876, 19140, 20163, 20445, 20735, 21054, 22620, 22748, 23595, 24882, 26884, 27260, 28435, 29986, 31020, 31460, 33605, 34122, 35090, 35438, 36660, 40326, 40890, 41470, 42108, 44979, 45617, 47190, 49764, 52635, 53157, 56870, 59972, 62205, 67210, 68244, 70180, 70876, 73931, 74965, 80652, 81780, 82940, 85305, 88595, 89958, 91234, 94380, 100815, 105270, 106314, 113740, 124410, 134420, 136851, 147862, 149930, 164923, 170610, 177190, 179916, 182468, 194909, 201630, 210540, 212628, 221793, 224895, 228085, 248820, 265785, 273702, 295724, 299860, 329846, 341220, 354380, 369655, 389818, 403260, 443586, 449790, 456170, 494769, 531570, 547404, 584727, 659692, 684255, 739310, 779636, 824615, 887172, 899580, 912340, 974545, 989538, 1063140, 1108965, 1169454, 1368510, 1478620, 1649230, 1949090, 1979076, 2143999, 2217930, 2338908, 2473845, 2737020, 2923635, 3298460, 3898180, 4287998, 4435860, 4947690, 5847270, 6431997, 8575996, 9895380, 10719995, 11694540, 12863994, 21439990, 25727988, 32159985, 42879980, 64319970, 128639940]

約数ペア:

[(1, 128639940), (2, 64319970), (3, 42879980), (4, 32159985), (5, 25727988), (6, 21439990), (10, 12863994), (11, 11694540), (12, 10719995), (13, 9895380), (15, 8575996), (20, 6431997), (22, 5847270), (26, 4947690), (29, 4435860), (30, 4287998), (33, 3898180), (39, 3298460), (44, 2923635), (47, 2737020), (52, 2473845), (55, 2338908), (58, 2217930), (60, 2143999), (65, 1979076), (66, 1949090), (78, 1649230), (87, 1478620), (94, 1368510), (110, 1169454), (116, 1108965), (121, 1063140), (130, 989538), (132, 974545), (141, 912340), (143, 899580), (145, 887172), (156, 824615), (165, 779636), (174, 739310), (188, 684255), (195, 659692), (220, 584727), (235, 547404), (242, 531570), (260, 494769), (282, 456170), (286, 449790), (290, 443586), (319, 403260), (330, 389818), (348, 369655), (363, 354380), (377, 341220), (390, 329846), (429, 299860), (435, 295724), (470, 273702), (484, 265785), (517, 248820), (564, 228085), (572, 224895), (580, 221793), (605, 212628), (611, 210540), (638, 201630), (660, 194909), (705, 182468), (715, 179916), (726, 177190), (754, 170610), (780, 164923), (858, 149930), (870, 147862), (940, 136851), (957, 134420), (1034, 124410), (1131, 113740), (1210, 106314), (1222, 105270), (1276, 100815), (1363, 94380), (1410, 91234), (1430, 89958), (1452, 88595), (1508, 85305), (1551, 82940), (1573, 81780), (1595, 80652), (1716, 74965), (1740, 73931), (1815, 70876), (1833, 70180), (1885, 68244), (1914, 67210), (2068, 62205), (2145, 59972), (2262, 56870), (2420, 53157), (2444, 52635), (2585, 49764), (2726, 47190), (2820, 45617), (2860, 44979), (3055, 42108), (3102, 41470), (3146, 40890), (3190, 40326), (3509, 36660), (3630, 35438), (3666, 35090), (3770, 34122), (3828, 33605), (4089, 31460), (4147, 31020), (4290, 29986), (4524, 28435), (4719, 27260), (4785, 26884), (5170, 24882), (5452, 23595), (5655, 22748), (5687, 22620), (6110, 21054), (6204, 20735), (6292, 20445), (6380, 20163), (6721, 19140), (6815, 18876), (7018, 18330), (7260, 17719), (7332, 17545), (7540, 17061), (7755, 16588), (7865, 16356), (8178, 15730), (8294, 15510), (8580, 14993), (9165, 14036), (9438, 13630), (9570, 13442), (10340, 12441), (10527, 12220), (11310, 11374)]