2178799740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{3623}}^1$

素因数の和:3908

約数の個数: 144

約数和(自身を含む): 7147078848

約数和(自身を除く): 4968279108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 257, 260, 390, 468, 514, 585, 771, 780, 1028, 1170, 1285, 1542, 2313, 2340, 2570, 3084, 3341, 3623, 3855, 4626, 5140, 6682, 7246, 7710, 9252, 10023, 10869, 11565, 13364, 14492, 15420, 16705, 18115, 20046, 21738, 23130, 30069, 32607, 33410, 36230, 40092, 43476, 46260, 47099, 50115, 54345, 60138, 65214, 66820, 72460, 94198, 100230, 108690, 120276, 130428, 141297, 150345, 163035, 188396, 200460, 217380, 235495, 282594, 300690, 326070, 423891, 470990, 565188, 601380, 652140, 706485, 847782, 931111, 941980, 1412970, 1695564, 1862222, 2119455, 2793333, 2825940, 3724444, 4238910, 4655555, 5586666, 8379999, 8477820, 9311110, 11173332, 12104443, 13966665, 16759998, 18622220, 24208886, 27933330, 33519996, 36313329, 41899995, 48417772, 55866660, 60522215, 72626658, 83799990, 108939987, 121044430, 145253316, 167599980, 181566645, 217879974, 242088860, 363133290, 435759948, 544699935, 726266580, 1089399870, 2178799740]

約数ペア:

[(1, 2178799740), (2, 1089399870), (3, 726266580), (4, 544699935), (5, 435759948), (6, 363133290), (9, 242088860), (10, 217879974), (12, 181566645), (13, 167599980), (15, 145253316), (18, 121044430), (20, 108939987), (26, 83799990), (30, 72626658), (36, 60522215), (39, 55866660), (45, 48417772), (52, 41899995), (60, 36313329), (65, 33519996), (78, 27933330), (90, 24208886), (117, 18622220), (130, 16759998), (156, 13966665), (180, 12104443), (195, 11173332), (234, 9311110), (257, 8477820), (260, 8379999), (390, 5586666), (468, 4655555), (514, 4238910), (585, 3724444), (771, 2825940), (780, 2793333), (1028, 2119455), (1170, 1862222), (1285, 1695564), (1542, 1412970), (2313, 941980), (2340, 931111), (2570, 847782), (3084, 706485), (3341, 652140), (3623, 601380), (3855, 565188), (4626, 470990), (5140, 423891), (6682, 326070), (7246, 300690), (7710, 282594), (9252, 235495), (10023, 217380), (10869, 200460), (11565, 188396), (13364, 163035), (14492, 150345), (15420, 141297), (16705, 130428), (18115, 120276), (20046, 108690), (21738, 100230), (23130, 94198), (30069, 72460), (32607, 66820), (33410, 65214), (36230, 60138), (40092, 54345), (43476, 50115), (46260, 47099)]