205019640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:651

約数の個数: 256

約数和(自身を含む): 799027200

約数和(自身を除く): 594007560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 54, 56, 60, 63, 70, 72, 84, 90, 94, 105, 108, 120, 126, 135, 140, 141, 168, 180, 188, 189, 210, 216, 235, 252, 270, 280, 282, 315, 329, 360, 376, 378, 420, 423, 470, 504, 540, 564, 577, 630, 658, 705, 756, 840, 846, 940, 945, 987, 1080, 1128, 1154, 1260, 1269, 1316, 1410, 1512, 1645, 1692, 1731, 1880, 1890, 1974, 2115, 2308, 2520, 2538, 2632, 2820, 2885, 2961, 3290, 3384, 3462, 3780, 3948, 4039, 4230, 4616, 4935, 5076, 5193, 5640, 5770, 5922, 6345, 6580, 6924, 7560, 7896, 8078, 8460, 8655, 8883, 9870, 10152, 10386, 11540, 11844, 12117, 12690, 13160, 13848, 14805, 15579, 16156, 16920, 17310, 17766, 19740, 20195, 20772, 23080, 23688, 24234, 25380, 25965, 27119, 29610, 31158, 32312, 34620, 35532, 36351, 39480, 40390, 41544, 44415, 48468, 50760, 51930, 54238, 59220, 60585, 62316, 69240, 71064, 72702, 77895, 80780, 81357, 88830, 96936, 103860, 108476, 109053, 118440, 121170, 124632, 135595, 145404, 155790, 161560, 162714, 177660, 181755, 189833, 207720, 216952, 218106, 242340, 244071, 271190, 290808, 311580, 325428, 355320, 363510, 379666, 406785, 436212, 484680, 488142, 542380, 545265, 569499, 623160, 650856, 727020, 732213, 759332, 813570, 872424, 949165, 976284, 1084760, 1090530, 1138998, 1220355, 1454040, 1464426, 1518664, 1627140, 1708497, 1898330, 1952568, 2181060, 2277996, 2440710, 2847495, 2928852, 3254280, 3416994, 3661065, 3796660, 4362120, 4555992, 4881420, 5125491, 5694990, 5857704, 6833988, 7322130, 7593320, 8542485, 9762840, 10250982, 11389980, 13667976, 14644260, 17084970, 20501964, 22779960, 25627455, 29288520, 34169940, 41003928, 51254910, 68339880, 102509820, 205019640]

約数ペア:

[(1, 205019640), (2, 102509820), (3, 68339880), (4, 51254910), (5, 41003928), (6, 34169940), (7, 29288520), (8, 25627455), (9, 22779960), (10, 20501964), (12, 17084970), (14, 14644260), (15, 13667976), (18, 11389980), (20, 10250982), (21, 9762840), (24, 8542485), (27, 7593320), (28, 7322130), (30, 6833988), (35, 5857704), (36, 5694990), (40, 5125491), (42, 4881420), (45, 4555992), (47, 4362120), (54, 3796660), (56, 3661065), (60, 3416994), (63, 3254280), (70, 2928852), (72, 2847495), (84, 2440710), (90, 2277996), (94, 2181060), (105, 1952568), (108, 1898330), (120, 1708497), (126, 1627140), (135, 1518664), (140, 1464426), (141, 1454040), (168, 1220355), (180, 1138998), (188, 1090530), (189, 1084760), (210, 976284), (216, 949165), (235, 872424), (252, 813570), (270, 759332), (280, 732213), (282, 727020), (315, 650856), (329, 623160), (360, 569499), (376, 545265), (378, 542380), (420, 488142), (423, 484680), (470, 436212), (504, 406785), (540, 379666), (564, 363510), (577, 355320), (630, 325428), (658, 311580), (705, 290808), (756, 271190), (840, 244071), (846, 242340), (940, 218106), (945, 216952), (987, 207720), (1080, 189833), (1128, 181755), (1154, 177660), (1260, 162714), (1269, 161560), (1316, 155790), (1410, 145404), (1512, 135595), (1645, 124632), (1692, 121170), (1731, 118440), (1880, 109053), (1890, 108476), (1974, 103860), (2115, 96936), (2308, 88830), (2520, 81357), (2538, 80780), (2632, 77895), (2820, 72702), (2885, 71064), (2961, 69240), (3290, 62316), (3384, 60585), (3462, 59220), (3780, 54238), (3948, 51930), (4039, 50760), (4230, 48468), (4616, 44415), (4935, 41544), (5076, 40390), (5193, 39480), (5640, 36351), (5770, 35532), (5922, 34620), (6345, 32312), (6580, 31158), (6924, 29610), (7560, 27119), (7896, 25965), (8078, 25380), (8460, 24234), (8655, 23688), (8883, 23080), (9870, 20772), (10152, 20195), (10386, 19740), (11540, 17766), (11844, 17310), (12117, 16920), (12690, 16156), (13160, 15579), (13848, 14805)]