638763570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:502

約数の個数: 160

約数和(自身を含む): 1806520320

約数和(自身を除く): 1167756750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 71, 81, 87, 90, 135, 142, 145, 162, 174, 213, 261, 270, 290, 355, 383, 405, 426, 435, 522, 639, 710, 766, 783, 810, 870, 1065, 1149, 1278, 1305, 1566, 1915, 1917, 2059, 2130, 2298, 2349, 2610, 3195, 3447, 3830, 3834, 3915, 4118, 4698, 5745, 5751, 6177, 6390, 6894, 7830, 9585, 10295, 10341, 11107, 11490, 11502, 11745, 12354, 17235, 18531, 19170, 20590, 20682, 22214, 23490, 27193, 28755, 30885, 31023, 33321, 34470, 37062, 51705, 54386, 55535, 55593, 57510, 61770, 62046, 66642, 81579, 92655, 99963, 103410, 111070, 111186, 135965, 155115, 163158, 166605, 166779, 185310, 199926, 244737, 271930, 277965, 299889, 310230, 333210, 333558, 407895, 489474, 499815, 555930, 599778, 734211, 788597, 815790, 833895, 899667, 999630, 1223685, 1468422, 1499445, 1577194, 1667790, 1799334, 2202633, 2365791, 2447370, 2998890, 3671055, 3942985, 4405266, 4498335, 4731582, 7097373, 7342110, 7885970, 8996670, 11013165, 11828955, 14194746, 21292119, 22026330, 23657910, 35486865, 42584238, 63876357, 70973730, 106460595, 127752714, 212921190, 319381785, 638763570]

約数ペア:

[(1, 638763570), (2, 319381785), (3, 212921190), (5, 127752714), (6, 106460595), (9, 70973730), (10, 63876357), (15, 42584238), (18, 35486865), (27, 23657910), (29, 22026330), (30, 21292119), (45, 14194746), (54, 11828955), (58, 11013165), (71, 8996670), (81, 7885970), (87, 7342110), (90, 7097373), (135, 4731582), (142, 4498335), (145, 4405266), (162, 3942985), (174, 3671055), (213, 2998890), (261, 2447370), (270, 2365791), (290, 2202633), (355, 1799334), (383, 1667790), (405, 1577194), (426, 1499445), (435, 1468422), (522, 1223685), (639, 999630), (710, 899667), (766, 833895), (783, 815790), (810, 788597), (870, 734211), (1065, 599778), (1149, 555930), (1278, 499815), (1305, 489474), (1566, 407895), (1915, 333558), (1917, 333210), (2059, 310230), (2130, 299889), (2298, 277965), (2349, 271930), (2610, 244737), (3195, 199926), (3447, 185310), (3830, 166779), (3834, 166605), (3915, 163158), (4118, 155115), (4698, 135965), (5745, 111186), (5751, 111070), (6177, 103410), (6390, 99963), (6894, 92655), (7830, 81579), (9585, 66642), (10295, 62046), (10341, 61770), (11107, 57510), (11490, 55593), (11502, 55535), (11745, 54386), (12354, 51705), (17235, 37062), (18531, 34470), (19170, 33321), (20590, 31023), (20682, 30885), (22214, 28755), (23490, 27193)]