80820756

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{683}}^1$

素因数の和:885

約数の個数: 72

約数和(自身を含む): 216609120

約数和(自身を除く): 135788364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 173, 228, 342, 346, 519, 683, 684, 692, 1038, 1366, 1557, 2049, 2076, 2732, 3114, 3287, 4098, 6147, 6228, 6574, 8196, 9861, 12294, 12977, 13148, 19722, 24588, 25954, 29583, 38931, 39444, 51908, 59166, 77862, 116793, 118159, 118332, 155724, 233586, 236318, 354477, 467172, 472636, 708954, 1063431, 1417908, 2126862, 2245021, 4253724, 4490042, 6735063, 8980084, 13470126, 20205189, 26940252, 40410378, 80820756]

約数ペア:

[(1, 80820756), (2, 40410378), (3, 26940252), (4, 20205189), (6, 13470126), (9, 8980084), (12, 6735063), (18, 4490042), (19, 4253724), (36, 2245021), (38, 2126862), (57, 1417908), (76, 1063431), (114, 708954), (171, 472636), (173, 467172), (228, 354477), (342, 236318), (346, 233586), (519, 155724), (683, 118332), (684, 118159), (692, 116793), (1038, 77862), (1366, 59166), (1557, 51908), (2049, 39444), (2076, 38931), (2732, 29583), (3114, 25954), (3287, 24588), (4098, 19722), (6147, 13148), (6228, 12977), (6574, 12294), (8196, 9861)]