401320620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 1251065088

約数和(自身を除く): 849744468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 107, 134, 180, 201, 214, 268, 311, 321, 335, 402, 428, 535, 603, 622, 642, 670, 804, 933, 963, 1005, 1070, 1206, 1244, 1284, 1340, 1555, 1605, 1866, 1926, 2010, 2140, 2412, 2799, 3015, 3110, 3210, 3732, 3852, 4020, 4665, 4815, 5598, 6030, 6220, 6420, 7169, 9330, 9630, 11196, 12060, 13995, 14338, 18660, 19260, 20837, 21507, 27990, 28676, 33277, 35845, 41674, 43014, 55980, 62511, 64521, 66554, 71690, 83348, 86028, 99831, 104185, 107535, 125022, 129042, 133108, 143380, 166385, 187533, 199662, 208370, 215070, 250044, 258084, 299493, 312555, 322605, 332770, 375066, 399324, 416740, 430140, 499155, 598986, 625110, 645210, 665540, 750132, 937665, 998310, 1197972, 1250220, 1290420, 1497465, 1875330, 1996620, 2229559, 2994930, 3750660, 4459118, 5989860, 6688677, 8918236, 11147795, 13377354, 20066031, 22295590, 26754708, 33443385, 40132062, 44591180, 66886770, 80264124, 100330155, 133773540, 200660310, 401320620]

約数ペア:

[(1, 401320620), (2, 200660310), (3, 133773540), (4, 100330155), (5, 80264124), (6, 66886770), (9, 44591180), (10, 40132062), (12, 33443385), (15, 26754708), (18, 22295590), (20, 20066031), (30, 13377354), (36, 11147795), (45, 8918236), (60, 6688677), (67, 5989860), (90, 4459118), (107, 3750660), (134, 2994930), (180, 2229559), (201, 1996620), (214, 1875330), (268, 1497465), (311, 1290420), (321, 1250220), (335, 1197972), (402, 998310), (428, 937665), (535, 750132), (603, 665540), (622, 645210), (642, 625110), (670, 598986), (804, 499155), (933, 430140), (963, 416740), (1005, 399324), (1070, 375066), (1206, 332770), (1244, 322605), (1284, 312555), (1340, 299493), (1555, 258084), (1605, 250044), (1866, 215070), (1926, 208370), (2010, 199662), (2140, 187533), (2412, 166385), (2799, 143380), (3015, 133108), (3110, 129042), (3210, 125022), (3732, 107535), (3852, 104185), (4020, 99831), (4665, 86028), (4815, 83348), (5598, 71690), (6030, 66554), (6220, 64521), (6420, 62511), (7169, 55980), (9330, 43014), (9630, 41674), (11196, 35845), (12060, 33277), (13995, 28676), (14338, 27990), (18660, 21507), (19260, 20837)]