720592020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:730

約数の個数: 144

約数和(自身を含む): 2258959248

約数和(自身を除く): 1538367228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 257, 333, 370, 421, 444, 514, 555, 666, 740, 771, 842, 1028, 1110, 1263, 1285, 1332, 1542, 1665, 1684, 2105, 2220, 2313, 2526, 2570, 3084, 3330, 3789, 3855, 4210, 4626, 5052, 5140, 6315, 6660, 7578, 7710, 8420, 9252, 9509, 11565, 12630, 15156, 15420, 15577, 18945, 19018, 23130, 25260, 28527, 31154, 37890, 38036, 46260, 46731, 47545, 57054, 62308, 75780, 77885, 85581, 93462, 95090, 108197, 114108, 140193, 142635, 155770, 171162, 186924, 190180, 216394, 233655, 280386, 285270, 311540, 324591, 342324, 427905, 432788, 467310, 540985, 560772, 570540, 649182, 700965, 855810, 934620, 973773, 1081970, 1298364, 1401930, 1622955, 1711620, 1947546, 2163940, 2803860, 3245910, 3895092, 4003289, 4868865, 6491820, 8006578, 9737730, 12009867, 16013156, 19475460, 20016445, 24019734, 36029601, 40032890, 48039468, 60049335, 72059202, 80065780, 120098670, 144118404, 180148005, 240197340, 360296010, 720592020]

約数ペア:

[(1, 720592020), (2, 360296010), (3, 240197340), (4, 180148005), (5, 144118404), (6, 120098670), (9, 80065780), (10, 72059202), (12, 60049335), (15, 48039468), (18, 40032890), (20, 36029601), (30, 24019734), (36, 20016445), (37, 19475460), (45, 16013156), (60, 12009867), (74, 9737730), (90, 8006578), (111, 6491820), (148, 4868865), (180, 4003289), (185, 3895092), (222, 3245910), (257, 2803860), (333, 2163940), (370, 1947546), (421, 1711620), (444, 1622955), (514, 1401930), (555, 1298364), (666, 1081970), (740, 973773), (771, 934620), (842, 855810), (1028, 700965), (1110, 649182), (1263, 570540), (1285, 560772), (1332, 540985), (1542, 467310), (1665, 432788), (1684, 427905), (2105, 342324), (2220, 324591), (2313, 311540), (2526, 285270), (2570, 280386), (3084, 233655), (3330, 216394), (3789, 190180), (3855, 186924), (4210, 171162), (4626, 155770), (5052, 142635), (5140, 140193), (6315, 114108), (6660, 108197), (7578, 95090), (7710, 93462), (8420, 85581), (9252, 77885), (9509, 75780), (11565, 62308), (12630, 57054), (15156, 47545), (15420, 46731), (15577, 46260), (18945, 38036), (19018, 37890), (23130, 31154), (25260, 28527)]