2018455890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{719}}^1$

素因数の和:968

約数の個数: 128

約数和(自身を含む): 5434490880

約数和(自身を除く): 3416034990

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 47, 55, 66, 94, 110, 141, 165, 181, 235, 282, 330, 362, 470, 517, 543, 705, 719, 905, 1034, 1086, 1410, 1438, 1551, 1810, 1991, 2157, 2585, 2715, 3102, 3595, 3982, 4314, 5170, 5430, 5973, 7190, 7755, 7909, 8507, 9955, 10785, 11946, 15510, 15818, 17014, 19910, 21570, 23727, 25521, 29865, 33793, 39545, 42535, 47454, 51042, 59730, 67586, 79090, 85070, 93577, 101379, 118635, 127605, 130139, 168965, 187154, 202758, 237270, 255210, 260278, 280731, 337930, 371723, 390417, 467885, 506895, 561462, 650695, 743446, 780834, 935770, 1013790, 1115169, 1301390, 1403655, 1431529, 1858615, 1952085, 2230338, 2807310, 2863058, 3717230, 3904170, 4294587, 5575845, 6116533, 7157645, 8589174, 11151690, 12233066, 14315290, 18349599, 21472935, 30582665, 36699198, 42945870, 61165330, 67281863, 91747995, 134563726, 183495990, 201845589, 336409315, 403691178, 672818630, 1009227945, 2018455890]

約数ペア:

[(1, 2018455890), (2, 1009227945), (3, 672818630), (5, 403691178), (6, 336409315), (10, 201845589), (11, 183495990), (15, 134563726), (22, 91747995), (30, 67281863), (33, 61165330), (47, 42945870), (55, 36699198), (66, 30582665), (94, 21472935), (110, 18349599), (141, 14315290), (165, 12233066), (181, 11151690), (235, 8589174), (282, 7157645), (330, 6116533), (362, 5575845), (470, 4294587), (517, 3904170), (543, 3717230), (705, 2863058), (719, 2807310), (905, 2230338), (1034, 1952085), (1086, 1858615), (1410, 1431529), (1438, 1403655), (1551, 1301390), (1810, 1115169), (1991, 1013790), (2157, 935770), (2585, 780834), (2715, 743446), (3102, 650695), (3595, 561462), (3982, 506895), (4314, 467885), (5170, 390417), (5430, 371723), (5973, 337930), (7190, 280731), (7755, 260278), (7909, 255210), (8507, 237270), (9955, 202758), (10785, 187154), (11946, 168965), (15510, 130139), (15818, 127605), (17014, 118635), (19910, 101379), (21570, 93577), (23727, 85070), (25521, 79090), (29865, 67586), (33793, 59730), (39545, 51042), (42535, 47454)]