128479020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25799}}^1$

素因数の和:25894

約数の個数: 48

約数和(自身を含む): 364089600

約数和(自身を除く): 235610580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 2490, 4980, 25799, 51598, 77397, 103196, 128995, 154794, 257990, 309588, 386985, 515980, 773970, 1547940, 2141317, 4282634, 6423951, 8565268, 10706585, 12847902, 21413170, 25695804, 32119755, 42826340, 64239510, 128479020]

約数ペア:

[(1, 128479020), (2, 64239510), (3, 42826340), (4, 32119755), (5, 25695804), (6, 21413170), (10, 12847902), (12, 10706585), (15, 8565268), (20, 6423951), (30, 4282634), (60, 2141317), (83, 1547940), (166, 773970), (249, 515980), (332, 386985), (415, 309588), (498, 257990), (830, 154794), (996, 128995), (1245, 103196), (1660, 77397), (2490, 51598), (4980, 25799)]