254687940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3511}}^1$

素因数の和:3570

約数の個数: 144

約数和(自身を含む): 859063296

約数和(自身を除く): 604375356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 3511, 3627, 4030, 4836, 5580, 6045, 7022, 7254, 8060, 10533, 12090, 14044, 14508, 17555, 18135, 21066, 24180, 31599, 35110, 36270, 42132, 45643, 52665, 63198, 70220, 72540, 91286, 105330, 108841, 126396, 136929, 157995, 182572, 210660, 217682, 228215, 273858, 315990, 326523, 410787, 435364, 456430, 544205, 547716, 631980, 653046, 684645, 821574, 912860, 979569, 1088410, 1306092, 1369290, 1414933, 1632615, 1643148, 1959138, 2053935, 2176820, 2738580, 2829866, 3265230, 3918276, 4107870, 4244799, 4897845, 5659732, 6530460, 7074665, 8215740, 8489598, 9795690, 12734397, 14149330, 16979196, 19591380, 21223995, 25468794, 28298660, 42447990, 50937588, 63671985, 84895980, 127343970, 254687940]

約数ペア:

[(1, 254687940), (2, 127343970), (3, 84895980), (4, 63671985), (5, 50937588), (6, 42447990), (9, 28298660), (10, 25468794), (12, 21223995), (13, 19591380), (15, 16979196), (18, 14149330), (20, 12734397), (26, 9795690), (30, 8489598), (31, 8215740), (36, 7074665), (39, 6530460), (45, 5659732), (52, 4897845), (60, 4244799), (62, 4107870), (65, 3918276), (78, 3265230), (90, 2829866), (93, 2738580), (117, 2176820), (124, 2053935), (130, 1959138), (155, 1643148), (156, 1632615), (180, 1414933), (186, 1369290), (195, 1306092), (234, 1088410), (260, 979569), (279, 912860), (310, 821574), (372, 684645), (390, 653046), (403, 631980), (465, 547716), (468, 544205), (558, 456430), (585, 435364), (620, 410787), (780, 326523), (806, 315990), (930, 273858), (1116, 228215), (1170, 217682), (1209, 210660), (1395, 182572), (1612, 157995), (1860, 136929), (2015, 126396), (2340, 108841), (2418, 105330), (2790, 91286), (3511, 72540), (3627, 70220), (4030, 63198), (4836, 52665), (5580, 45643), (6045, 42132), (7022, 36270), (7254, 35110), (8060, 31599), (10533, 24180), (12090, 21066), (14044, 18135), (14508, 17555)]