189884760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121721}}^1$

素因数の和:121748

約数の個数: 64

約数和(自身を含む): 613478880

約数和(自身を除く): 423594120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 121721, 243442, 365163, 486884, 608605, 730326, 973768, 1217210, 1460652, 1582373, 1825815, 2434420, 2921304, 3164746, 3651630, 4747119, 4868840, 6329492, 7303260, 7911865, 9494238, 12658984, 14606520, 15823730, 18988476, 23735595, 31647460, 37976952, 47471190, 63294920, 94942380, 189884760]

約数ペア:

[(1, 189884760), (2, 94942380), (3, 63294920), (4, 47471190), (5, 37976952), (6, 31647460), (8, 23735595), (10, 18988476), (12, 15823730), (13, 14606520), (15, 12658984), (20, 9494238), (24, 7911865), (26, 7303260), (30, 6329492), (39, 4868840), (40, 4747119), (52, 3651630), (60, 3164746), (65, 2921304), (78, 2434420), (104, 1825815), (120, 1582373), (130, 1460652), (156, 1217210), (195, 973768), (260, 730326), (312, 608605), (390, 486884), (520, 365163), (780, 243442), (1560, 121721)]