1640451870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{100703}}^1$

素因数の和:100897

約数の個数: 48

約数和(自身を含む): 4288781952

約数和(自身を除く): 2648330082

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1629, 1810, 2715, 3258, 5430, 8145, 16290, 100703, 201406, 302109, 503515, 604218, 906327, 1007030, 1510545, 1812654, 3021090, 4531635, 9063270, 18227243, 36454486, 54681729, 91136215, 109363458, 164045187, 182272430, 273408645, 328090374, 546817290, 820225935, 1640451870]

約数ペア:

[(1, 1640451870), (2, 820225935), (3, 546817290), (5, 328090374), (6, 273408645), (9, 182272430), (10, 164045187), (15, 109363458), (18, 91136215), (30, 54681729), (45, 36454486), (90, 18227243), (181, 9063270), (362, 4531635), (543, 3021090), (905, 1812654), (1086, 1510545), (1629, 1007030), (1810, 906327), (2715, 604218), (3258, 503515), (5430, 302109), (8145, 201406), (16290, 100703)]