1282102020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{797}}^1$

素因数の和:1152

約数の個数: 144

約数和(自身を含む): 4050341568

約数和(自身を除く): 2768239548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 331, 405, 486, 540, 662, 797, 810, 972, 993, 1215, 1324, 1594, 1620, 1655, 1986, 2391, 2430, 2979, 3188, 3310, 3972, 3985, 4782, 4860, 4965, 5958, 6620, 7173, 7970, 8937, 9564, 9930, 11916, 11955, 14346, 14895, 15940, 17874, 19860, 21519, 23910, 26811, 28692, 29790, 35748, 35865, 43038, 44685, 47820, 53622, 59580, 64557, 71730, 80433, 86076, 89370, 107244, 107595, 129114, 134055, 143460, 160866, 178740, 193671, 215190, 258228, 263807, 268110, 321732, 322785, 387342, 402165, 430380, 527614, 536220, 645570, 774684, 791421, 804330, 968355, 1055228, 1291140, 1319035, 1582842, 1608660, 1936710, 2374263, 2638070, 3165684, 3873420, 3957105, 4748526, 5276140, 7122789, 7914210, 9497052, 11871315, 14245578, 15828420, 21368367, 23742630, 28491156, 35613945, 42736734, 47485260, 64105101, 71227890, 85473468, 106841835, 128210202, 142455780, 213683670, 256420404, 320525505, 427367340, 641051010, 1282102020]

約数ペア:

[(1, 1282102020), (2, 641051010), (3, 427367340), (4, 320525505), (5, 256420404), (6, 213683670), (9, 142455780), (10, 128210202), (12, 106841835), (15, 85473468), (18, 71227890), (20, 64105101), (27, 47485260), (30, 42736734), (36, 35613945), (45, 28491156), (54, 23742630), (60, 21368367), (81, 15828420), (90, 14245578), (108, 11871315), (135, 9497052), (162, 7914210), (180, 7122789), (243, 5276140), (270, 4748526), (324, 3957105), (331, 3873420), (405, 3165684), (486, 2638070), (540, 2374263), (662, 1936710), (797, 1608660), (810, 1582842), (972, 1319035), (993, 1291140), (1215, 1055228), (1324, 968355), (1594, 804330), (1620, 791421), (1655, 774684), (1986, 645570), (2391, 536220), (2430, 527614), (2979, 430380), (3188, 402165), (3310, 387342), (3972, 322785), (3985, 321732), (4782, 268110), (4860, 263807), (4965, 258228), (5958, 215190), (6620, 193671), (7173, 178740), (7970, 160866), (8937, 143460), (9564, 134055), (9930, 129114), (11916, 107595), (11955, 107244), (14346, 89370), (14895, 86076), (15940, 80433), (17874, 71730), (19860, 64557), (21519, 59580), (23910, 53622), (26811, 47820), (28692, 44685), (29790, 43038), (35748, 35865)]