78770580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9871}}^1$

素因数の和:9909

約数の個数: 96

約数和(自身を含む): 265359360

約数和(自身を除く): 186588780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 9871, 19742, 29613, 39484, 49355, 59226, 69097, 98710, 118452, 138194, 148065, 187549, 197420, 207291, 276388, 296130, 345485, 375098, 414582, 562647, 592260, 690970, 750196, 829164, 937745, 1036455, 1125294, 1312843, 1381940, 1875490, 2072910, 2250588, 2625686, 2813235, 3750980, 3938529, 4145820, 5251372, 5626470, 6564215, 7877058, 11252940, 13128430, 15754116, 19692645, 26256860, 39385290, 78770580]

約数ペア:

[(1, 78770580), (2, 39385290), (3, 26256860), (4, 19692645), (5, 15754116), (6, 13128430), (7, 11252940), (10, 7877058), (12, 6564215), (14, 5626470), (15, 5251372), (19, 4145820), (20, 3938529), (21, 3750980), (28, 2813235), (30, 2625686), (35, 2250588), (38, 2072910), (42, 1875490), (57, 1381940), (60, 1312843), (70, 1125294), (76, 1036455), (84, 937745), (95, 829164), (105, 750196), (114, 690970), (133, 592260), (140, 562647), (190, 414582), (210, 375098), (228, 345485), (266, 296130), (285, 276388), (380, 207291), (399, 197420), (420, 187549), (532, 148065), (570, 138194), (665, 118452), (798, 98710), (1140, 69097), (1330, 59226), (1596, 49355), (1995, 39484), (2660, 29613), (3990, 19742), (7980, 9871)]