65561580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{853}}^1$

素因数の和:936

約数の個数: 144

約数和(自身を含む): 231276864

約数和(自身を除く): 165715284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 853, 854, 915, 1098, 1220, 1260, 1281, 1706, 1708, 1830, 2135, 2196, 2559, 2562, 2745, 3412, 3660, 3843, 4265, 4270, 5118, 5124, 5490, 5971, 6405, 7677, 7686, 8530, 8540, 10236, 10980, 11942, 12795, 12810, 15354, 15372, 17060, 17913, 19215, 23884, 25590, 25620, 29855, 30708, 35826, 38385, 38430, 51180, 52033, 53739, 59710, 71652, 76770, 76860, 89565, 104066, 107478, 119420, 153540, 156099, 179130, 208132, 214956, 260165, 268695, 312198, 358260, 364231, 468297, 520330, 537390, 624396, 728462, 780495, 936594, 1040660, 1074780, 1092693, 1456924, 1560990, 1821155, 1873188, 2185386, 2341485, 3121980, 3278079, 3642310, 4370772, 4682970, 5463465, 6556158, 7284620, 9365940, 10926930, 13112316, 16390395, 21853860, 32780790, 65561580]

約数ペア:

[(1, 65561580), (2, 32780790), (3, 21853860), (4, 16390395), (5, 13112316), (6, 10926930), (7, 9365940), (9, 7284620), (10, 6556158), (12, 5463465), (14, 4682970), (15, 4370772), (18, 3642310), (20, 3278079), (21, 3121980), (28, 2341485), (30, 2185386), (35, 1873188), (36, 1821155), (42, 1560990), (45, 1456924), (60, 1092693), (61, 1074780), (63, 1040660), (70, 936594), (84, 780495), (90, 728462), (105, 624396), (122, 537390), (126, 520330), (140, 468297), (180, 364231), (183, 358260), (210, 312198), (244, 268695), (252, 260165), (305, 214956), (315, 208132), (366, 179130), (420, 156099), (427, 153540), (549, 119420), (610, 107478), (630, 104066), (732, 89565), (853, 76860), (854, 76770), (915, 71652), (1098, 59710), (1220, 53739), (1260, 52033), (1281, 51180), (1706, 38430), (1708, 38385), (1830, 35826), (2135, 30708), (2196, 29855), (2559, 25620), (2562, 25590), (2745, 23884), (3412, 19215), (3660, 17913), (3843, 17060), (4265, 15372), (4270, 15354), (5118, 12810), (5124, 12795), (5490, 11942), (5971, 10980), (6405, 10236), (7677, 8540), (7686, 8530)]