245916840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157639}}^1$

素因数の和:157666

約数の個数: 64

約数和(自身を含む): 794505600

約数和(自身を除く): 548588760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 157639, 315278, 472917, 630556, 788195, 945834, 1261112, 1576390, 1891668, 2049307, 2364585, 3152780, 3783336, 4098614, 4729170, 6147921, 6305560, 8197228, 9458340, 10246535, 12295842, 16394456, 18916680, 20493070, 24591684, 30739605, 40986140, 49183368, 61479210, 81972280, 122958420, 245916840]

約数ペア:

[(1, 245916840), (2, 122958420), (3, 81972280), (4, 61479210), (5, 49183368), (6, 40986140), (8, 30739605), (10, 24591684), (12, 20493070), (13, 18916680), (15, 16394456), (20, 12295842), (24, 10246535), (26, 9458340), (30, 8197228), (39, 6305560), (40, 6147921), (52, 4729170), (60, 4098614), (65, 3783336), (78, 3152780), (104, 2364585), (120, 2049307), (130, 1891668), (156, 1576390), (195, 1261112), (260, 945834), (312, 788195), (390, 630556), (520, 472917), (780, 315278), (1560, 157639)]