80705880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 276363360

約数和(自身を除く): 195657480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 73, 74, 83, 90, 111, 120, 146, 148, 166, 180, 185, 219, 222, 249, 292, 296, 332, 333, 360, 365, 370, 415, 438, 444, 498, 555, 584, 657, 664, 666, 730, 740, 747, 830, 876, 888, 996, 1095, 1110, 1245, 1314, 1332, 1460, 1480, 1494, 1660, 1665, 1752, 1992, 2190, 2220, 2490, 2628, 2664, 2701, 2920, 2988, 3071, 3285, 3320, 3330, 3735, 4380, 4440, 4980, 5256, 5402, 5976, 6059, 6142, 6570, 6660, 7470, 8103, 8760, 9213, 9960, 10804, 12118, 12284, 13140, 13320, 13505, 14940, 15355, 16206, 18177, 18426, 21608, 24236, 24309, 24568, 26280, 27010, 27639, 29880, 30295, 30710, 32412, 36354, 36852, 40515, 46065, 48472, 48618, 54020, 54531, 55278, 60590, 61420, 64824, 72708, 73704, 81030, 90885, 92130, 97236, 108040, 109062, 110556, 121180, 121545, 122840, 138195, 145416, 162060, 181770, 184260, 194472, 218124, 221112, 224183, 242360, 243090, 272655, 276390, 324120, 363540, 368520, 436248, 448366, 486180, 545310, 552780, 672549, 727080, 896732, 972360, 1090620, 1105560, 1120915, 1345098, 1793464, 2017647, 2181240, 2241830, 2690196, 3362745, 4035294, 4483660, 5380392, 6725490, 8070588, 8967320, 10088235, 13450980, 16141176, 20176470, 26901960, 40352940, 80705880]

約数ペア:

[(1, 80705880), (2, 40352940), (3, 26901960), (4, 20176470), (5, 16141176), (6, 13450980), (8, 10088235), (9, 8967320), (10, 8070588), (12, 6725490), (15, 5380392), (18, 4483660), (20, 4035294), (24, 3362745), (30, 2690196), (36, 2241830), (37, 2181240), (40, 2017647), (45, 1793464), (60, 1345098), (72, 1120915), (73, 1105560), (74, 1090620), (83, 972360), (90, 896732), (111, 727080), (120, 672549), (146, 552780), (148, 545310), (166, 486180), (180, 448366), (185, 436248), (219, 368520), (222, 363540), (249, 324120), (292, 276390), (296, 272655), (332, 243090), (333, 242360), (360, 224183), (365, 221112), (370, 218124), (415, 194472), (438, 184260), (444, 181770), (498, 162060), (555, 145416), (584, 138195), (657, 122840), (664, 121545), (666, 121180), (730, 110556), (740, 109062), (747, 108040), (830, 97236), (876, 92130), (888, 90885), (996, 81030), (1095, 73704), (1110, 72708), (1245, 64824), (1314, 61420), (1332, 60590), (1460, 55278), (1480, 54531), (1494, 54020), (1660, 48618), (1665, 48472), (1752, 46065), (1992, 40515), (2190, 36852), (2220, 36354), (2490, 32412), (2628, 30710), (2664, 30295), (2701, 29880), (2920, 27639), (2988, 27010), (3071, 26280), (3285, 24568), (3320, 24309), (3330, 24236), (3735, 21608), (4380, 18426), (4440, 18177), (4980, 16206), (5256, 15355), (5402, 14940), (5976, 13505), (6059, 13320), (6142, 13140), (6570, 12284), (6660, 12118), (7470, 10804), (8103, 9960), (8760, 9213)]