164314880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 420311808

約数和(自身を除く): 255996928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 101, 124, 128, 155, 160, 164, 202, 205, 248, 256, 310, 320, 328, 404, 410, 496, 505, 620, 640, 656, 808, 820, 992, 1010, 1240, 1271, 1280, 1312, 1616, 1640, 1984, 2020, 2480, 2542, 2624, 3131, 3232, 3280, 3968, 4040, 4141, 4960, 5084, 5248, 6262, 6355, 6464, 6560, 7936, 8080, 8282, 9920, 10168, 10496, 12524, 12710, 12928, 13120, 15655, 16160, 16564, 19840, 20336, 20705, 25048, 25420, 25856, 26240, 31310, 32320, 33128, 39680, 40672, 41410, 50096, 50840, 52480, 62620, 64640, 66256, 81344, 82820, 100192, 101680, 125240, 128371, 129280, 132512, 162688, 165640, 200384, 203360, 250480, 256742, 265024, 325376, 331280, 400768, 406720, 500960, 513484, 530048, 641855, 662560, 801536, 813440, 1001920, 1026968, 1060096, 1283710, 1325120, 1626880, 2003840, 2053936, 2567420, 2650240, 4007680, 4107872, 5134840, 5300480, 8215744, 10269680, 16431488, 20539360, 32862976, 41078720, 82157440, 164314880]

約数ペア:

[(1, 164314880), (2, 82157440), (4, 41078720), (5, 32862976), (8, 20539360), (10, 16431488), (16, 10269680), (20, 8215744), (31, 5300480), (32, 5134840), (40, 4107872), (41, 4007680), (62, 2650240), (64, 2567420), (80, 2053936), (82, 2003840), (101, 1626880), (124, 1325120), (128, 1283710), (155, 1060096), (160, 1026968), (164, 1001920), (202, 813440), (205, 801536), (248, 662560), (256, 641855), (310, 530048), (320, 513484), (328, 500960), (404, 406720), (410, 400768), (496, 331280), (505, 325376), (620, 265024), (640, 256742), (656, 250480), (808, 203360), (820, 200384), (992, 165640), (1010, 162688), (1240, 132512), (1271, 129280), (1280, 128371), (1312, 125240), (1616, 101680), (1640, 100192), (1984, 82820), (2020, 81344), (2480, 66256), (2542, 64640), (2624, 62620), (3131, 52480), (3232, 50840), (3280, 50096), (3968, 41410), (4040, 40672), (4141, 39680), (4960, 33128), (5084, 32320), (5248, 31310), (6262, 26240), (6355, 25856), (6464, 25420), (6560, 25048), (7936, 20705), (8080, 20336), (8282, 19840), (9920, 16564), (10168, 16160), (10496, 15655), (12524, 13120), (12710, 12928)]