20137530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 59904000

約数和(自身を除く): 39766470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 49, 57, 70, 95, 98, 103, 105, 114, 133, 147, 190, 206, 210, 245, 266, 285, 294, 309, 343, 399, 490, 515, 570, 618, 665, 686, 721, 735, 798, 931, 1029, 1030, 1330, 1442, 1470, 1545, 1715, 1862, 1957, 1995, 2058, 2163, 2793, 3090, 3430, 3605, 3914, 3990, 4326, 4655, 5047, 5145, 5586, 5871, 6517, 7210, 9310, 9785, 10094, 10290, 10815, 11742, 13034, 13699, 13965, 15141, 19551, 19570, 21630, 25235, 27398, 27930, 29355, 30282, 32585, 35329, 39102, 41097, 50470, 58710, 65170, 68495, 70658, 75705, 82194, 95893, 97755, 105987, 136990, 151410, 176645, 191786, 195510, 205485, 211974, 287679, 353290, 410970, 479465, 529935, 575358, 671251, 958930, 1059870, 1342502, 1438395, 2013753, 2876790, 3356255, 4027506, 6712510, 10068765, 20137530]

約数ペア:

[(1, 20137530), (2, 10068765), (3, 6712510), (5, 4027506), (6, 3356255), (7, 2876790), (10, 2013753), (14, 1438395), (15, 1342502), (19, 1059870), (21, 958930), (30, 671251), (35, 575358), (38, 529935), (42, 479465), (49, 410970), (57, 353290), (70, 287679), (95, 211974), (98, 205485), (103, 195510), (105, 191786), (114, 176645), (133, 151410), (147, 136990), (190, 105987), (206, 97755), (210, 95893), (245, 82194), (266, 75705), (285, 70658), (294, 68495), (309, 65170), (343, 58710), (399, 50470), (490, 41097), (515, 39102), (570, 35329), (618, 32585), (665, 30282), (686, 29355), (721, 27930), (735, 27398), (798, 25235), (931, 21630), (1029, 19570), (1030, 19551), (1330, 15141), (1442, 13965), (1470, 13699), (1545, 13034), (1715, 11742), (1862, 10815), (1957, 10290), (1995, 10094), (2058, 9785), (2163, 9310), (2793, 7210), (3090, 6517), (3430, 5871), (3605, 5586), (3914, 5145), (3990, 5047), (4326, 4655)]