65380140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2772

約数の個数: 144

約数和(自身を含む): 238667520

約数和(自身を除く): 173287380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 2731, 3420, 3990, 4788, 5462, 5985, 7980, 8193, 10924, 11970, 13655, 16386, 19117, 23940, 24579, 27310, 32772, 38234, 40965, 49158, 51889, 54620, 57351, 76468, 81930, 95585, 98316, 103778, 114702, 122895, 155667, 163860, 172053, 191170, 207556, 229404, 245790, 259445, 286755, 311334, 344106, 363223, 382340, 467001, 491580, 518890, 573510, 622668, 688212, 726446, 778335, 860265, 934002, 1037780, 1089669, 1147020, 1452892, 1556670, 1720530, 1816115, 1868004, 2179338, 2335005, 3113340, 3269007, 3441060, 3632230, 4358676, 4670010, 5448345, 6538014, 7264460, 9340020, 10896690, 13076028, 16345035, 21793380, 32690070, 65380140]

約数ペア:

[(1, 65380140), (2, 32690070), (3, 21793380), (4, 16345035), (5, 13076028), (6, 10896690), (7, 9340020), (9, 7264460), (10, 6538014), (12, 5448345), (14, 4670010), (15, 4358676), (18, 3632230), (19, 3441060), (20, 3269007), (21, 3113340), (28, 2335005), (30, 2179338), (35, 1868004), (36, 1816115), (38, 1720530), (42, 1556670), (45, 1452892), (57, 1147020), (60, 1089669), (63, 1037780), (70, 934002), (76, 860265), (84, 778335), (90, 726446), (95, 688212), (105, 622668), (114, 573510), (126, 518890), (133, 491580), (140, 467001), (171, 382340), (180, 363223), (190, 344106), (210, 311334), (228, 286755), (252, 259445), (266, 245790), (285, 229404), (315, 207556), (342, 191170), (380, 172053), (399, 163860), (420, 155667), (532, 122895), (570, 114702), (630, 103778), (665, 98316), (684, 95585), (798, 81930), (855, 76468), (1140, 57351), (1197, 54620), (1260, 51889), (1330, 49158), (1596, 40965), (1710, 38234), (1995, 32772), (2394, 27310), (2660, 24579), (2731, 23940), (3420, 19117), (3990, 16386), (4788, 13655), (5462, 11970), (5985, 10924), (7980, 8193)]