2018453325

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 4064043456

約数和(自身を除く): 2045590131

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 49, 53, 75, 105, 129, 147, 159, 175, 215, 241, 245, 265, 301, 371, 525, 645, 723, 735, 795, 903, 1075, 1113, 1205, 1225, 1325, 1505, 1687, 1855, 2107, 2279, 2597, 3225, 3615, 3675, 3975, 4515, 5061, 5565, 6025, 6321, 6837, 7525, 7791, 8435, 9275, 10363, 10535, 11395, 11809, 12773, 12985, 15953, 18075, 22575, 25305, 27825, 31089, 31605, 34185, 35427, 38319, 38955, 42175, 47859, 51815, 52675, 56975, 59045, 63865, 64925, 72541, 79765, 89411, 111671, 126525, 155445, 158025, 170925, 177135, 191595, 194775, 217623, 239295, 259075, 268233, 295225, 319325, 335013, 362705, 398825, 447055, 507787, 549239, 558355, 625877, 777225, 885675, 957975, 1088115, 1196475, 1341165, 1523361, 1647717, 1675065, 1813525, 1877631, 2235275, 2538935, 2746195, 2791775, 3129385, 3844673, 5440575, 6705825, 7616805, 8238585, 8375325, 9388155, 11534019, 12694675, 13730975, 15646925, 19223365, 26912711, 38084025, 41192925, 46940775, 57670095, 80738133, 96116825, 134563555, 288350475, 403690665, 672817775, 2018453325]

約数ペア:

[(1, 2018453325), (3, 672817775), (5, 403690665), (7, 288350475), (15, 134563555), (21, 96116825), (25, 80738133), (35, 57670095), (43, 46940775), (49, 41192925), (53, 38084025), (75, 26912711), (105, 19223365), (129, 15646925), (147, 13730975), (159, 12694675), (175, 11534019), (215, 9388155), (241, 8375325), (245, 8238585), (265, 7616805), (301, 6705825), (371, 5440575), (525, 3844673), (645, 3129385), (723, 2791775), (735, 2746195), (795, 2538935), (903, 2235275), (1075, 1877631), (1113, 1813525), (1205, 1675065), (1225, 1647717), (1325, 1523361), (1505, 1341165), (1687, 1196475), (1855, 1088115), (2107, 957975), (2279, 885675), (2597, 777225), (3225, 625877), (3615, 558355), (3675, 549239), (3975, 507787), (4515, 447055), (5061, 398825), (5565, 362705), (6025, 335013), (6321, 319325), (6837, 295225), (7525, 268233), (7791, 259075), (8435, 239295), (9275, 217623), (10363, 194775), (10535, 191595), (11395, 177135), (11809, 170925), (12773, 158025), (12985, 155445), (15953, 126525), (18075, 111671), (22575, 89411), (25305, 79765), (27825, 72541), (31089, 64925), (31605, 63865), (34185, 59045), (35427, 56975), (38319, 52675), (38955, 51815), (42175, 47859)]