87998580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 279434064

約数和(自身を除く): 191435484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 73, 74, 90, 111, 146, 148, 180, 181, 185, 219, 222, 292, 333, 362, 365, 370, 438, 444, 543, 555, 657, 666, 724, 730, 740, 876, 905, 1086, 1095, 1110, 1314, 1332, 1460, 1629, 1665, 1810, 2172, 2190, 2220, 2628, 2701, 2715, 3258, 3285, 3330, 3620, 4380, 5402, 5430, 6516, 6570, 6660, 6697, 8103, 8145, 10804, 10860, 13140, 13213, 13394, 13505, 16206, 16290, 20091, 24309, 26426, 26788, 27010, 32412, 32580, 33485, 39639, 40182, 40515, 48618, 52852, 54020, 60273, 66065, 66970, 79278, 80364, 81030, 97236, 100455, 118917, 120546, 121545, 132130, 133940, 158556, 162060, 198195, 200910, 237834, 241092, 243090, 264260, 301365, 396390, 401820, 475668, 486180, 488881, 594585, 602730, 792780, 977762, 1189170, 1205460, 1466643, 1955524, 2378340, 2444405, 2933286, 4399929, 4888810, 5866572, 7333215, 8799858, 9777620, 14666430, 17599716, 21999645, 29332860, 43999290, 87998580]

約数ペア:

[(1, 87998580), (2, 43999290), (3, 29332860), (4, 21999645), (5, 17599716), (6, 14666430), (9, 9777620), (10, 8799858), (12, 7333215), (15, 5866572), (18, 4888810), (20, 4399929), (30, 2933286), (36, 2444405), (37, 2378340), (45, 1955524), (60, 1466643), (73, 1205460), (74, 1189170), (90, 977762), (111, 792780), (146, 602730), (148, 594585), (180, 488881), (181, 486180), (185, 475668), (219, 401820), (222, 396390), (292, 301365), (333, 264260), (362, 243090), (365, 241092), (370, 237834), (438, 200910), (444, 198195), (543, 162060), (555, 158556), (657, 133940), (666, 132130), (724, 121545), (730, 120546), (740, 118917), (876, 100455), (905, 97236), (1086, 81030), (1095, 80364), (1110, 79278), (1314, 66970), (1332, 66065), (1460, 60273), (1629, 54020), (1665, 52852), (1810, 48618), (2172, 40515), (2190, 40182), (2220, 39639), (2628, 33485), (2701, 32580), (2715, 32412), (3258, 27010), (3285, 26788), (3330, 26426), (3620, 24309), (4380, 20091), (5402, 16290), (5430, 16206), (6516, 13505), (6570, 13394), (6660, 13213), (6697, 13140), (8103, 10860), (8145, 10804)]