1980807480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{39023}}^1$

素因数の和:39090

約数の個数: 128

約数和(自身を含む): 6743347200

約数和(自身を除く): 4762539720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 216, 235, 270, 282, 360, 376, 423, 470, 540, 564, 705, 846, 940, 1080, 1128, 1269, 1410, 1692, 1880, 2115, 2538, 2820, 3384, 4230, 5076, 5640, 6345, 8460, 10152, 12690, 16920, 25380, 39023, 50760, 78046, 117069, 156092, 195115, 234138, 312184, 351207, 390230, 468276, 585345, 702414, 780460, 936552, 1053621, 1170690, 1404828, 1560920, 1756035, 1834081, 2107242, 2341380, 2809656, 3512070, 3668162, 4214484, 4682760, 5268105, 5502243, 7024140, 7336324, 8428968, 9170405, 10536210, 11004486, 14048280, 14672648, 16506729, 18340810, 21072420, 22008972, 27511215, 33013458, 36681620, 42144840, 44017944, 49520187, 55022430, 66026916, 73363240, 82533645, 99040374, 110044860, 132053832, 165067290, 198080748, 220089720, 247600935, 330134580, 396161496, 495201870, 660269160, 990403740, 1980807480]

約数ペア:

[(1, 1980807480), (2, 990403740), (3, 660269160), (4, 495201870), (5, 396161496), (6, 330134580), (8, 247600935), (9, 220089720), (10, 198080748), (12, 165067290), (15, 132053832), (18, 110044860), (20, 99040374), (24, 82533645), (27, 73363240), (30, 66026916), (36, 55022430), (40, 49520187), (45, 44017944), (47, 42144840), (54, 36681620), (60, 33013458), (72, 27511215), (90, 22008972), (94, 21072420), (108, 18340810), (120, 16506729), (135, 14672648), (141, 14048280), (180, 11004486), (188, 10536210), (216, 9170405), (235, 8428968), (270, 7336324), (282, 7024140), (360, 5502243), (376, 5268105), (423, 4682760), (470, 4214484), (540, 3668162), (564, 3512070), (705, 2809656), (846, 2341380), (940, 2107242), (1080, 1834081), (1128, 1756035), (1269, 1560920), (1410, 1404828), (1692, 1170690), (1880, 1053621), (2115, 936552), (2538, 780460), (2820, 702414), (3384, 585345), (4230, 468276), (5076, 390230), (5640, 351207), (6345, 312184), (8460, 234138), (10152, 195115), (12690, 156092), (16920, 117069), (25380, 78046), (39023, 50760)]