220799360

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{359}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 546944400

約数和(自身を除く): 326145040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 359, 496, 620, 640, 718, 961, 992, 1240, 1436, 1795, 1922, 1984, 2480, 2872, 3590, 3844, 3968, 4805, 4960, 5744, 7180, 7688, 9610, 9920, 11129, 11488, 14360, 15376, 19220, 19840, 22258, 22976, 28720, 30752, 38440, 44516, 45952, 55645, 57440, 61504, 76880, 89032, 111290, 114880, 123008, 153760, 178064, 222580, 229760, 307520, 344999, 356128, 445160, 615040, 689998, 712256, 890320, 1379996, 1424512, 1724995, 1780640, 2759992, 3449990, 3561280, 5519984, 6899980, 7122560, 11039968, 13799960, 22079936, 27599920, 44159872, 55199840, 110399680, 220799360]

約数ペア:

[(1, 220799360), (2, 110399680), (4, 55199840), (5, 44159872), (8, 27599920), (10, 22079936), (16, 13799960), (20, 11039968), (31, 7122560), (32, 6899980), (40, 5519984), (62, 3561280), (64, 3449990), (80, 2759992), (124, 1780640), (128, 1724995), (155, 1424512), (160, 1379996), (248, 890320), (310, 712256), (320, 689998), (359, 615040), (496, 445160), (620, 356128), (640, 344999), (718, 307520), (961, 229760), (992, 222580), (1240, 178064), (1436, 153760), (1795, 123008), (1922, 114880), (1984, 111290), (2480, 89032), (2872, 76880), (3590, 61504), (3844, 57440), (3968, 55645), (4805, 45952), (4960, 44516), (5744, 38440), (7180, 30752), (7688, 28720), (9610, 22976), (9920, 22258), (11129, 19840), (11488, 19220), (14360, 15376)]