64225560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 222059520

約数和(自身を除く): 157833960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 487, 628, 785, 840, 942, 974, 1099, 1256, 1461, 1570, 1884, 1948, 2198, 2355, 2435, 2922, 3140, 3297, 3409, 3768, 3896, 4396, 4710, 4870, 5495, 5844, 6280, 6594, 6818, 7305, 8792, 9420, 9740, 10227, 10990, 11688, 13188, 13636, 14610, 16485, 17045, 18840, 19480, 20454, 21980, 26376, 27272, 29220, 32970, 34090, 40908, 43960, 51135, 58440, 65940, 68180, 76459, 81816, 102270, 131880, 136360, 152918, 204540, 229377, 305836, 382295, 409080, 458754, 535213, 611672, 764590, 917508, 1070426, 1146885, 1529180, 1605639, 1835016, 2140852, 2293770, 2676065, 3058360, 3211278, 4281704, 4587540, 5352130, 6422556, 8028195, 9175080, 10704260, 12845112, 16056390, 21408520, 32112780, 64225560]

約数ペア:

[(1, 64225560), (2, 32112780), (3, 21408520), (4, 16056390), (5, 12845112), (6, 10704260), (7, 9175080), (8, 8028195), (10, 6422556), (12, 5352130), (14, 4587540), (15, 4281704), (20, 3211278), (21, 3058360), (24, 2676065), (28, 2293770), (30, 2140852), (35, 1835016), (40, 1605639), (42, 1529180), (56, 1146885), (60, 1070426), (70, 917508), (84, 764590), (105, 611672), (120, 535213), (140, 458754), (157, 409080), (168, 382295), (210, 305836), (280, 229377), (314, 204540), (420, 152918), (471, 136360), (487, 131880), (628, 102270), (785, 81816), (840, 76459), (942, 68180), (974, 65940), (1099, 58440), (1256, 51135), (1461, 43960), (1570, 40908), (1884, 34090), (1948, 32970), (2198, 29220), (2355, 27272), (2435, 26376), (2922, 21980), (3140, 20454), (3297, 19480), (3409, 18840), (3768, 17045), (3896, 16485), (4396, 14610), (4710, 13636), (4870, 13188), (5495, 11688), (5844, 10990), (6280, 10227), (6594, 9740), (6818, 9420), (7305, 8792)]