31201290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20393}}^1$

素因数の和:20423

約数の個数: 48

約数和(自身を含む): 85899528

約数和(自身を除く): 54698238

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 20393, 40786, 61179, 101965, 122358, 183537, 203930, 305895, 346681, 367074, 611790, 693362, 917685, 1040043, 1733405, 1835370, 2080086, 3120129, 3466810, 5200215, 6240258, 10400430, 15600645, 31201290]

約数ペア:

[(1, 31201290), (2, 15600645), (3, 10400430), (5, 6240258), (6, 5200215), (9, 3466810), (10, 3120129), (15, 2080086), (17, 1835370), (18, 1733405), (30, 1040043), (34, 917685), (45, 693362), (51, 611790), (85, 367074), (90, 346681), (102, 305895), (153, 203930), (170, 183537), (255, 122358), (306, 101965), (510, 61179), (765, 40786), (1530, 20393)]