219801780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3581}}^1$

素因数の和:3638

約数の個数: 144

約数和(自身を含む): 751016448

約数和(自身を除く): 531214668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 930, 990, 1023, 1116, 1364, 1395, 1705, 1860, 1980, 2046, 2790, 3069, 3410, 3581, 4092, 5115, 5580, 6138, 6820, 7162, 10230, 10743, 12276, 14324, 15345, 17905, 20460, 21486, 30690, 32229, 35810, 39391, 42972, 53715, 61380, 64458, 71620, 78782, 107430, 111011, 118173, 128916, 157564, 161145, 196955, 214860, 222022, 236346, 322290, 333033, 354519, 393910, 444044, 472692, 555055, 590865, 644580, 666066, 709038, 787820, 999099, 1110110, 1181730, 1221121, 1332132, 1418076, 1665165, 1772595, 1998198, 2220220, 2363460, 2442242, 3330330, 3545190, 3663363, 3996396, 4884484, 4995495, 6105605, 6660660, 7090380, 7326726, 9990990, 10990089, 12211210, 14653452, 18316815, 19981980, 21980178, 24422420, 36633630, 43960356, 54950445, 73267260, 109900890, 219801780]

約数ペア:

[(1, 219801780), (2, 109900890), (3, 73267260), (4, 54950445), (5, 43960356), (6, 36633630), (9, 24422420), (10, 21980178), (11, 19981980), (12, 18316815), (15, 14653452), (18, 12211210), (20, 10990089), (22, 9990990), (30, 7326726), (31, 7090380), (33, 6660660), (36, 6105605), (44, 4995495), (45, 4884484), (55, 3996396), (60, 3663363), (62, 3545190), (66, 3330330), (90, 2442242), (93, 2363460), (99, 2220220), (110, 1998198), (124, 1772595), (132, 1665165), (155, 1418076), (165, 1332132), (180, 1221121), (186, 1181730), (198, 1110110), (220, 999099), (279, 787820), (310, 709038), (330, 666066), (341, 644580), (372, 590865), (396, 555055), (465, 472692), (495, 444044), (558, 393910), (620, 354519), (660, 333033), (682, 322290), (930, 236346), (990, 222022), (1023, 214860), (1116, 196955), (1364, 161145), (1395, 157564), (1705, 128916), (1860, 118173), (1980, 111011), (2046, 107430), (2790, 78782), (3069, 71620), (3410, 64458), (3581, 61380), (4092, 53715), (5115, 42972), (5580, 39391), (6138, 35810), (6820, 32229), (7162, 30690), (10230, 21486), (10743, 20460), (12276, 17905), (14324, 15345)]