640413384

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{23063}}^1$

素因数の和:23174

約数の個数: 64

約数和(自身を含む): 1743638400

約数和(自身を除く): 1103225016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 89, 104, 156, 178, 267, 312, 356, 534, 712, 1068, 1157, 2136, 2314, 3471, 4628, 6942, 9256, 13884, 23063, 27768, 46126, 69189, 92252, 138378, 184504, 276756, 299819, 553512, 599638, 899457, 1199276, 1798914, 2052607, 2398552, 3597828, 4105214, 6157821, 7195656, 8210428, 12315642, 16420856, 24631284, 26683891, 49262568, 53367782, 80051673, 106735564, 160103346, 213471128, 320206692, 640413384]

約数ペア:

[(1, 640413384), (2, 320206692), (3, 213471128), (4, 160103346), (6, 106735564), (8, 80051673), (12, 53367782), (13, 49262568), (24, 26683891), (26, 24631284), (39, 16420856), (52, 12315642), (78, 8210428), (89, 7195656), (104, 6157821), (156, 4105214), (178, 3597828), (267, 2398552), (312, 2052607), (356, 1798914), (534, 1199276), (712, 899457), (1068, 599638), (1157, 553512), (2136, 299819), (2314, 276756), (3471, 184504), (4628, 138378), (6942, 92252), (9256, 69189), (13884, 46126), (23063, 27768)]