30456880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12281}}^1$

素因数の和:12325

約数の個数: 40

約数和(自身を含む): 73102464

約数和(自身を除く): 42645584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12281, 24562, 49124, 61405, 98248, 122810, 196496, 245620, 380711, 491240, 761422, 982480, 1522844, 1903555, 3045688, 3807110, 6091376, 7614220, 15228440, 30456880]

約数ペア:

[(1, 30456880), (2, 15228440), (4, 7614220), (5, 6091376), (8, 3807110), (10, 3045688), (16, 1903555), (20, 1522844), (31, 982480), (40, 761422), (62, 491240), (80, 380711), (124, 245620), (155, 196496), (248, 122810), (310, 98248), (496, 61405), (620, 49124), (1240, 24562), (2480, 12281)]