1279557240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26459}}^1$

素因数の和:26517

約数の個数: 128

約数和(自身を含む): 4267468800

約数和(自身を除く): 2987911560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 9672, 12090, 16120, 24180, 26459, 48360, 52918, 79377, 105836, 132295, 158754, 211672, 264590, 317508, 343967, 396885, 529180, 635016, 687934, 793770, 820229, 1031901, 1058360, 1375868, 1587540, 1640458, 1719835, 2063802, 2460687, 2751736, 3175080, 3280916, 3439670, 4101145, 4127604, 4921374, 5159505, 6561832, 6879340, 8202290, 8255208, 9842748, 10319010, 10662977, 12303435, 13758680, 16404580, 19685496, 20638020, 21325954, 24606870, 31988931, 32809160, 41276040, 42651908, 49213740, 53314885, 63977862, 85303816, 98427480, 106629770, 127955724, 159944655, 213259540, 255911448, 319889310, 426519080, 639778620, 1279557240]

約数ペア:

[(1, 1279557240), (2, 639778620), (3, 426519080), (4, 319889310), (5, 255911448), (6, 213259540), (8, 159944655), (10, 127955724), (12, 106629770), (13, 98427480), (15, 85303816), (20, 63977862), (24, 53314885), (26, 49213740), (30, 42651908), (31, 41276040), (39, 32809160), (40, 31988931), (52, 24606870), (60, 21325954), (62, 20638020), (65, 19685496), (78, 16404580), (93, 13758680), (104, 12303435), (120, 10662977), (124, 10319010), (130, 9842748), (155, 8255208), (156, 8202290), (186, 6879340), (195, 6561832), (248, 5159505), (260, 4921374), (310, 4127604), (312, 4101145), (372, 3439670), (390, 3280916), (403, 3175080), (465, 2751736), (520, 2460687), (620, 2063802), (744, 1719835), (780, 1640458), (806, 1587540), (930, 1375868), (1209, 1058360), (1240, 1031901), (1560, 820229), (1612, 793770), (1860, 687934), (2015, 635016), (2418, 529180), (3224, 396885), (3720, 343967), (4030, 317508), (4836, 264590), (6045, 211672), (8060, 158754), (9672, 132295), (12090, 105836), (16120, 79377), (24180, 52918), (26459, 48360)]