2179904220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{54799}}^1$

素因数の和:54844

約数の個数: 144

約数和(自身を含む): 7540041600

約数和(自身を除く): 5360137380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9945, 13260, 19890, 39780, 54799, 109598, 164397, 219196, 273995, 328794, 493191, 547990, 657588, 712387, 821985, 931583, 986382, 1095980, 1424774, 1643970, 1863166, 1972764, 2137161, 2465955, 2794749, 2849548, 3287940, 3561935, 3726332, 4274322, 4657915, 4931910, 5589498, 6411483, 7123870, 8384247, 8548644, 9315830, 9863820, 10685805, 11178996, 12110579, 12822966, 13973745, 14247740, 16768494, 18631660, 21371610, 24221158, 25645932, 27947490, 32057415, 33536988, 36331737, 41921235, 42743220, 48442316, 55894980, 60552895, 64114830, 72663474, 83842470, 108995211, 121105790, 128229660, 145326948, 167684940, 181658685, 217990422, 242211580, 363317370, 435980844, 544976055, 726634740, 1089952110, 2179904220]

約数ペア:

[(1, 2179904220), (2, 1089952110), (3, 726634740), (4, 544976055), (5, 435980844), (6, 363317370), (9, 242211580), (10, 217990422), (12, 181658685), (13, 167684940), (15, 145326948), (17, 128229660), (18, 121105790), (20, 108995211), (26, 83842470), (30, 72663474), (34, 64114830), (36, 60552895), (39, 55894980), (45, 48442316), (51, 42743220), (52, 41921235), (60, 36331737), (65, 33536988), (68, 32057415), (78, 27947490), (85, 25645932), (90, 24221158), (102, 21371610), (117, 18631660), (130, 16768494), (153, 14247740), (156, 13973745), (170, 12822966), (180, 12110579), (195, 11178996), (204, 10685805), (221, 9863820), (234, 9315830), (255, 8548644), (260, 8384247), (306, 7123870), (340, 6411483), (390, 5589498), (442, 4931910), (468, 4657915), (510, 4274322), (585, 3726332), (612, 3561935), (663, 3287940), (765, 2849548), (780, 2794749), (884, 2465955), (1020, 2137161), (1105, 1972764), (1170, 1863166), (1326, 1643970), (1530, 1424774), (1989, 1095980), (2210, 986382), (2340, 931583), (2652, 821985), (3060, 712387), (3315, 657588), (3978, 547990), (4420, 493191), (6630, 328794), (7956, 273995), (9945, 219196), (13260, 164397), (19890, 109598), (39780, 54799)]