154775320

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:450

約数の個数: 128

約数和(自身を含む): 421200000

約数和(自身を除く): 266424680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 232, 245, 280, 290, 343, 389, 392, 406, 490, 580, 686, 778, 812, 980, 1015, 1160, 1372, 1421, 1556, 1624, 1715, 1945, 1960, 2030, 2723, 2744, 2842, 3112, 3430, 3890, 4060, 5446, 5684, 6860, 7105, 7780, 8120, 9947, 10892, 11281, 11368, 13615, 13720, 14210, 15560, 19061, 19894, 21784, 22562, 27230, 28420, 38122, 39788, 45124, 49735, 54460, 56405, 56840, 76244, 78967, 79576, 90248, 95305, 99470, 108920, 112810, 133427, 152488, 157934, 190610, 198940, 225620, 266854, 315868, 381220, 394835, 397880, 451240, 533708, 552769, 631736, 667135, 762440, 789670, 1067416, 1105538, 1334270, 1579340, 2211076, 2668540, 2763845, 3158680, 3869383, 4422152, 5337080, 5527690, 7738766, 11055380, 15477532, 19346915, 22110760, 30955064, 38693830, 77387660, 154775320]

約数ペア:

[(1, 154775320), (2, 77387660), (4, 38693830), (5, 30955064), (7, 22110760), (8, 19346915), (10, 15477532), (14, 11055380), (20, 7738766), (28, 5527690), (29, 5337080), (35, 4422152), (40, 3869383), (49, 3158680), (56, 2763845), (58, 2668540), (70, 2211076), (98, 1579340), (116, 1334270), (140, 1105538), (145, 1067416), (196, 789670), (203, 762440), (232, 667135), (245, 631736), (280, 552769), (290, 533708), (343, 451240), (389, 397880), (392, 394835), (406, 381220), (490, 315868), (580, 266854), (686, 225620), (778, 198940), (812, 190610), (980, 157934), (1015, 152488), (1160, 133427), (1372, 112810), (1421, 108920), (1556, 99470), (1624, 95305), (1715, 90248), (1945, 79576), (1960, 78967), (2030, 76244), (2723, 56840), (2744, 56405), (2842, 54460), (3112, 49735), (3430, 45124), (3890, 39788), (4060, 38122), (5446, 28420), (5684, 27230), (6860, 22562), (7105, 21784), (7780, 19894), (8120, 19061), (9947, 15560), (10892, 14210), (11281, 13720), (11368, 13615)]