2858909940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:870

約数の個数: 144

約数和(自身を含む): 8790477696

約数和(自身を除く): 5931567756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 263, 393, 461, 524, 526, 655, 786, 789, 922, 1052, 1179, 1310, 1315, 1383, 1572, 1578, 1844, 1965, 2305, 2358, 2367, 2620, 2630, 2766, 3156, 3930, 3945, 4149, 4610, 4716, 4734, 5260, 5532, 5895, 6915, 7860, 7890, 8298, 9220, 9468, 11790, 11835, 13830, 15780, 16596, 20745, 23580, 23670, 27660, 34453, 41490, 47340, 60391, 68906, 82980, 103359, 120782, 121243, 137812, 172265, 181173, 206718, 241564, 242486, 301955, 310077, 344530, 362346, 363729, 413436, 484972, 516795, 543519, 603910, 606215, 620154, 689060, 724692, 727458, 905865, 1033590, 1087038, 1091187, 1207820, 1212430, 1240308, 1454916, 1550385, 1811730, 1818645, 2067180, 2174076, 2182374, 2424860, 2717595, 3100770, 3623460, 3637290, 4364748, 5435190, 5455935, 6201540, 7274580, 10870380, 10911870, 15882833, 21823740, 31765666, 47648499, 63531332, 79414165, 95296998, 142945497, 158828330, 190593996, 238242495, 285890994, 317656660, 476484990, 571781988, 714727485, 952969980, 1429454970, 2858909940]

約数ペア:

[(1, 2858909940), (2, 1429454970), (3, 952969980), (4, 714727485), (5, 571781988), (6, 476484990), (9, 317656660), (10, 285890994), (12, 238242495), (15, 190593996), (18, 158828330), (20, 142945497), (30, 95296998), (36, 79414165), (45, 63531332), (60, 47648499), (90, 31765666), (131, 21823740), (180, 15882833), (262, 10911870), (263, 10870380), (393, 7274580), (461, 6201540), (524, 5455935), (526, 5435190), (655, 4364748), (786, 3637290), (789, 3623460), (922, 3100770), (1052, 2717595), (1179, 2424860), (1310, 2182374), (1315, 2174076), (1383, 2067180), (1572, 1818645), (1578, 1811730), (1844, 1550385), (1965, 1454916), (2305, 1240308), (2358, 1212430), (2367, 1207820), (2620, 1091187), (2630, 1087038), (2766, 1033590), (3156, 905865), (3930, 727458), (3945, 724692), (4149, 689060), (4610, 620154), (4716, 606215), (4734, 603910), (5260, 543519), (5532, 516795), (5895, 484972), (6915, 413436), (7860, 363729), (7890, 362346), (8298, 344530), (9220, 310077), (9468, 301955), (11790, 242486), (11835, 241564), (13830, 206718), (15780, 181173), (16596, 172265), (20745, 137812), (23580, 121243), (23670, 120782), (27660, 103359), (34453, 82980), (41490, 68906), (47340, 60391)]