1556553990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{25673}}^1$

素因数の和:25773

約数の個数: 64

約数和(自身を含む): 3904091136

約数和(自身を除く): 2347537146

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 47, 86, 94, 129, 141, 215, 235, 258, 282, 430, 470, 645, 705, 1290, 1410, 2021, 4042, 6063, 10105, 12126, 20210, 25673, 30315, 51346, 60630, 77019, 128365, 154038, 256730, 385095, 770190, 1103939, 1206631, 2207878, 2413262, 3311817, 3619893, 5519695, 6033155, 6623634, 7239786, 11039390, 12066310, 16559085, 18099465, 33118170, 36198930, 51885133, 103770266, 155655399, 259425665, 311310798, 518851330, 778276995, 1556553990]

約数ペア:

[(1, 1556553990), (2, 778276995), (3, 518851330), (5, 311310798), (6, 259425665), (10, 155655399), (15, 103770266), (30, 51885133), (43, 36198930), (47, 33118170), (86, 18099465), (94, 16559085), (129, 12066310), (141, 11039390), (215, 7239786), (235, 6623634), (258, 6033155), (282, 5519695), (430, 3619893), (470, 3311817), (645, 2413262), (705, 2207878), (1290, 1206631), (1410, 1103939), (2021, 770190), (4042, 385095), (6063, 256730), (10105, 154038), (12126, 128365), (20210, 77019), (25673, 60630), (30315, 51346)]