81992040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{311}}^1$

素因数の和:364

約数の個数: 128

約数和(自身を含む): 267321600

約数和(自身を除く): 185329560

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, 169, 195, 260, 311, 312, 338, 390, 507, 520, 622, 676, 780, 845, 933, 1014, 1244, 1352, 1555, 1560, 1690, 1866, 2028, 2197, 2488, 2535, 3110, 3380, 3732, 4043, 4056, 4394, 4665, 5070, 6220, 6591, 6760, 7464, 8086, 8788, 9330, 10140, 10985, 12129, 12440, 13182, 16172, 17576, 18660, 20215, 20280, 21970, 24258, 26364, 32344, 32955, 37320, 40430, 43940, 48516, 52559, 52728, 60645, 65910, 80860, 87880, 97032, 105118, 121290, 131820, 157677, 161720, 210236, 242580, 262795, 263640, 315354, 420472, 485160, 525590, 630708, 683267, 788385, 1051180, 1261416, 1366534, 1576770, 2049801, 2102360, 2733068, 3153540, 3416335, 4099602, 5466136, 6307080, 6832670, 8199204, 10249005, 13665340, 16398408, 20498010, 27330680, 40996020, 81992040]

約数ペア:

[(1, 81992040), (2, 40996020), (3, 27330680), (4, 20498010), (5, 16398408), (6, 13665340), (8, 10249005), (10, 8199204), (12, 6832670), (13, 6307080), (15, 5466136), (20, 4099602), (24, 3416335), (26, 3153540), (30, 2733068), (39, 2102360), (40, 2049801), (52, 1576770), (60, 1366534), (65, 1261416), (78, 1051180), (104, 788385), (120, 683267), (130, 630708), (156, 525590), (169, 485160), (195, 420472), (260, 315354), (311, 263640), (312, 262795), (338, 242580), (390, 210236), (507, 161720), (520, 157677), (622, 131820), (676, 121290), (780, 105118), (845, 97032), (933, 87880), (1014, 80860), (1244, 65910), (1352, 60645), (1555, 52728), (1560, 52559), (1690, 48516), (1866, 43940), (2028, 40430), (2197, 37320), (2488, 32955), (2535, 32344), (3110, 26364), (3380, 24258), (3732, 21970), (4043, 20280), (4056, 20215), (4394, 18660), (4665, 17576), (5070, 16172), (6220, 13182), (6591, 12440), (6760, 12129), (7464, 10985), (8086, 10140), (8788, 9330)]