1615256820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{937}}^1$

素因数の和:1170

約数の個数: 144

約数和(自身を含む): 5017001808

約数和(自身を除く): 3401744988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 157, 180, 183, 244, 305, 314, 366, 471, 549, 610, 628, 732, 785, 915, 937, 942, 1098, 1220, 1413, 1570, 1830, 1874, 1884, 2196, 2355, 2745, 2811, 2826, 3140, 3660, 3748, 4685, 4710, 5490, 5622, 5652, 7065, 8433, 9370, 9420, 9577, 10980, 11244, 14055, 14130, 16866, 18740, 19154, 28110, 28260, 28731, 33732, 38308, 42165, 47885, 56220, 57157, 57462, 84330, 86193, 95770, 114314, 114924, 143655, 147109, 168660, 171471, 172386, 191540, 228628, 285785, 287310, 294218, 342942, 344772, 430965, 441327, 514413, 571570, 574620, 588436, 685884, 735545, 857355, 861930, 882654, 1028826, 1143140, 1323981, 1471090, 1714710, 1723860, 1765308, 2057652, 2206635, 2572065, 2647962, 2942180, 3429420, 4413270, 5144130, 5295924, 6619905, 8826540, 8973649, 10288260, 13239810, 17947298, 26479620, 26920947, 35894596, 44868245, 53841894, 80762841, 89736490, 107683788, 134604735, 161525682, 179472980, 269209470, 323051364, 403814205, 538418940, 807628410, 1615256820]

約数ペア:

[(1, 1615256820), (2, 807628410), (3, 538418940), (4, 403814205), (5, 323051364), (6, 269209470), (9, 179472980), (10, 161525682), (12, 134604735), (15, 107683788), (18, 89736490), (20, 80762841), (30, 53841894), (36, 44868245), (45, 35894596), (60, 26920947), (61, 26479620), (90, 17947298), (122, 13239810), (157, 10288260), (180, 8973649), (183, 8826540), (244, 6619905), (305, 5295924), (314, 5144130), (366, 4413270), (471, 3429420), (549, 2942180), (610, 2647962), (628, 2572065), (732, 2206635), (785, 2057652), (915, 1765308), (937, 1723860), (942, 1714710), (1098, 1471090), (1220, 1323981), (1413, 1143140), (1570, 1028826), (1830, 882654), (1874, 861930), (1884, 857355), (2196, 735545), (2355, 685884), (2745, 588436), (2811, 574620), (2826, 571570), (3140, 514413), (3660, 441327), (3748, 430965), (4685, 344772), (4710, 342942), (5490, 294218), (5622, 287310), (5652, 285785), (7065, 228628), (8433, 191540), (9370, 172386), (9420, 171471), (9577, 168660), (10980, 147109), (11244, 143655), (14055, 114924), (14130, 114314), (16866, 95770), (18740, 86193), (19154, 84330), (28110, 57462), (28260, 57157), (28731, 56220), (33732, 47885), (38308, 42165)]