18038280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 60318720

約数和(自身を除く): 42280440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 373, 390, 403, 465, 520, 620, 744, 746, 780, 806, 930, 1119, 1209, 1240, 1492, 1560, 1612, 1860, 1865, 2015, 2238, 2418, 2984, 3224, 3720, 3730, 4030, 4476, 4836, 4849, 5595, 6045, 7460, 8060, 8952, 9672, 9698, 11190, 11563, 12090, 14547, 14920, 16120, 19396, 22380, 23126, 24180, 24245, 29094, 34689, 38792, 44760, 46252, 48360, 48490, 57815, 58188, 69378, 72735, 92504, 96980, 115630, 116376, 138756, 145470, 150319, 173445, 193960, 231260, 277512, 290940, 300638, 346890, 450957, 462520, 581880, 601276, 693780, 751595, 901914, 1202552, 1387560, 1503190, 1803828, 2254785, 3006380, 3607656, 4509570, 6012760, 9019140, 18038280]

約数ペア:

[(1, 18038280), (2, 9019140), (3, 6012760), (4, 4509570), (5, 3607656), (6, 3006380), (8, 2254785), (10, 1803828), (12, 1503190), (13, 1387560), (15, 1202552), (20, 901914), (24, 751595), (26, 693780), (30, 601276), (31, 581880), (39, 462520), (40, 450957), (52, 346890), (60, 300638), (62, 290940), (65, 277512), (78, 231260), (93, 193960), (104, 173445), (120, 150319), (124, 145470), (130, 138756), (155, 116376), (156, 115630), (186, 96980), (195, 92504), (248, 72735), (260, 69378), (310, 58188), (312, 57815), (372, 48490), (373, 48360), (390, 46252), (403, 44760), (465, 38792), (520, 34689), (620, 29094), (744, 24245), (746, 24180), (780, 23126), (806, 22380), (930, 19396), (1119, 16120), (1209, 14920), (1240, 14547), (1492, 12090), (1560, 11563), (1612, 11190), (1860, 9698), (1865, 9672), (2015, 8952), (2238, 8060), (2418, 7460), (2984, 6045), (3224, 5595), (3720, 4849), (3730, 4836), (4030, 4476)]