30040725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2801}}^1$

素因数の和:2838

約数の個数: 48

約数和(自身を含む): 58371264

約数和(自身を除く): 28330539

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 2801, 3575, 8403, 10725, 14005, 30811, 36413, 42015, 70025, 92433, 109239, 154055, 182065, 210075, 400543, 462165, 546195, 770275, 910325, 1201629, 2002715, 2310825, 2730975, 6008145, 10013575, 30040725]

約数ペア:

[(1, 30040725), (3, 10013575), (5, 6008145), (11, 2730975), (13, 2310825), (15, 2002715), (25, 1201629), (33, 910325), (39, 770275), (55, 546195), (65, 462165), (75, 400543), (143, 210075), (165, 182065), (195, 154055), (275, 109239), (325, 92433), (429, 70025), (715, 42015), (825, 36413), (975, 30811), (2145, 14005), (2801, 10725), (3575, 8403)]