84390540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108193}}^1$

素因数の和:108218

約数の個数: 48

約数和(自身を含む): 254472288

約数和(自身を除く): 170081748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 108193, 216386, 324579, 432772, 540965, 649158, 1081930, 1298316, 1406509, 1622895, 2163860, 2813018, 3245790, 4219527, 5626036, 6491580, 7032545, 8439054, 14065090, 16878108, 21097635, 28130180, 42195270, 84390540]

約数ペア:

[(1, 84390540), (2, 42195270), (3, 28130180), (4, 21097635), (5, 16878108), (6, 14065090), (10, 8439054), (12, 7032545), (13, 6491580), (15, 5626036), (20, 4219527), (26, 3245790), (30, 2813018), (39, 2163860), (52, 1622895), (60, 1406509), (65, 1298316), (78, 1081930), (130, 649158), (156, 540965), (195, 432772), (260, 324579), (390, 216386), (780, 108193)]