15640300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 37403856

約数和(自身を除く): 21763556

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 212, 227, 260, 265, 325, 454, 530, 650, 689, 908, 1060, 1135, 1300, 1325, 1378, 2270, 2650, 2756, 2951, 3445, 4540, 5300, 5675, 5902, 6890, 11350, 11804, 12031, 13780, 14755, 17225, 22700, 24062, 29510, 34450, 48124, 59020, 60155, 68900, 73775, 120310, 147550, 156403, 240620, 295100, 300775, 312806, 601550, 625612, 782015, 1203100, 1564030, 3128060, 3910075, 7820150, 15640300]

約数ペア:

[(1, 15640300), (2, 7820150), (4, 3910075), (5, 3128060), (10, 1564030), (13, 1203100), (20, 782015), (25, 625612), (26, 601550), (50, 312806), (52, 300775), (53, 295100), (65, 240620), (100, 156403), (106, 147550), (130, 120310), (212, 73775), (227, 68900), (260, 60155), (265, 59020), (325, 48124), (454, 34450), (530, 29510), (650, 24062), (689, 22700), (908, 17225), (1060, 14755), (1135, 13780), (1300, 12031), (1325, 11804), (1378, 11350), (2270, 6890), (2650, 5902), (2756, 5675), (2951, 5300), (3445, 4540)]