218015520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{454199}}^1$

素因数の和:454217

約数の個数: 48

約数和(自身を含む): 686750400

約数和(自身を除く): 468734880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 454199, 908398, 1362597, 1816796, 2270995, 2725194, 3633592, 4541990, 5450388, 6812985, 7267184, 9083980, 10900776, 13625970, 14534368, 18167960, 21801552, 27251940, 36335920, 43603104, 54503880, 72671840, 109007760, 218015520]

約数ペア:

[(1, 218015520), (2, 109007760), (3, 72671840), (4, 54503880), (5, 43603104), (6, 36335920), (8, 27251940), (10, 21801552), (12, 18167960), (15, 14534368), (16, 13625970), (20, 10900776), (24, 9083980), (30, 7267184), (32, 6812985), (40, 5450388), (48, 4541990), (60, 3633592), (80, 2725194), (96, 2270995), (120, 1816796), (160, 1362597), (240, 908398), (480, 454199)]