1251891720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{39971}}^1$

素因数の和:40020

約数の個数: 128

約数和(自身を含む): 4316976000

約数和(自身を除く): 3065084280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 696, 783, 870, 1044, 1080, 1160, 1305, 1566, 1740, 2088, 2610, 3132, 3480, 3915, 5220, 6264, 7830, 10440, 15660, 31320, 39971, 79942, 119913, 159884, 199855, 239826, 319768, 359739, 399710, 479652, 599565, 719478, 799420, 959304, 1079217, 1159159, 1199130, 1438956, 1598840, 1798695, 2158434, 2318318, 2398260, 2877912, 3477477, 3597390, 4316868, 4636636, 4796520, 5396085, 5795795, 6954954, 7194780, 8633736, 9273272, 10432431, 10792170, 11591590, 13909908, 14389560, 17387385, 20864862, 21584340, 23183180, 27819816, 31297293, 34774770, 41729724, 43168680, 46366360, 52162155, 62594586, 69549540, 83459448, 104324310, 125189172, 139099080, 156486465, 208648620, 250378344, 312972930, 417297240, 625945860, 1251891720]

約数ペア:

[(1, 1251891720), (2, 625945860), (3, 417297240), (4, 312972930), (5, 250378344), (6, 208648620), (8, 156486465), (9, 139099080), (10, 125189172), (12, 104324310), (15, 83459448), (18, 69549540), (20, 62594586), (24, 52162155), (27, 46366360), (29, 43168680), (30, 41729724), (36, 34774770), (40, 31297293), (45, 27819816), (54, 23183180), (58, 21584340), (60, 20864862), (72, 17387385), (87, 14389560), (90, 13909908), (108, 11591590), (116, 10792170), (120, 10432431), (135, 9273272), (145, 8633736), (174, 7194780), (180, 6954954), (216, 5795795), (232, 5396085), (261, 4796520), (270, 4636636), (290, 4316868), (348, 3597390), (360, 3477477), (435, 2877912), (522, 2398260), (540, 2318318), (580, 2158434), (696, 1798695), (783, 1598840), (870, 1438956), (1044, 1199130), (1080, 1159159), (1160, 1079217), (1305, 959304), (1566, 799420), (1740, 719478), (2088, 599565), (2610, 479652), (3132, 399710), (3480, 359739), (3915, 319768), (5220, 239826), (6264, 199855), (7830, 159884), (10440, 119913), (15660, 79942), (31320, 39971)]