64780950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 174988800

約数和(自身を除く): 110207850

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 139, 150, 195, 239, 278, 325, 390, 417, 478, 650, 695, 717, 834, 975, 1195, 1390, 1434, 1807, 1950, 2085, 2390, 3107, 3475, 3585, 3614, 4170, 5421, 5975, 6214, 6950, 7170, 9035, 9321, 10425, 10842, 11950, 15535, 17925, 18070, 18642, 20850, 27105, 31070, 33221, 35850, 45175, 46605, 54210, 66442, 77675, 90350, 93210, 99663, 135525, 155350, 166105, 199326, 233025, 271050, 332210, 431873, 466050, 498315, 830525, 863746, 996630, 1295619, 1661050, 2159365, 2491575, 2591238, 4318730, 4983150, 6478095, 10796825, 12956190, 21593650, 32390475, 64780950]

約数ペア:

[(1, 64780950), (2, 32390475), (3, 21593650), (5, 12956190), (6, 10796825), (10, 6478095), (13, 4983150), (15, 4318730), (25, 2591238), (26, 2491575), (30, 2159365), (39, 1661050), (50, 1295619), (65, 996630), (75, 863746), (78, 830525), (130, 498315), (139, 466050), (150, 431873), (195, 332210), (239, 271050), (278, 233025), (325, 199326), (390, 166105), (417, 155350), (478, 135525), (650, 99663), (695, 93210), (717, 90350), (834, 77675), (975, 66442), (1195, 54210), (1390, 46605), (1434, 45175), (1807, 35850), (1950, 33221), (2085, 31070), (2390, 27105), (3107, 20850), (3475, 18642), (3585, 18070), (3614, 17925), (4170, 15535), (5421, 11950), (5975, 10842), (6214, 10425), (6950, 9321), (7170, 9035)]