49171980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:568

約数の個数: 144

約数和(自身を含む): 163289952

約数和(自身を除く): 114117972

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 121, 130, 132, 143, 156, 165, 195, 220, 242, 260, 286, 330, 363, 390, 429, 484, 521, 572, 605, 660, 715, 726, 780, 858, 1042, 1210, 1430, 1452, 1563, 1573, 1716, 1815, 2084, 2145, 2420, 2605, 2860, 3126, 3146, 3630, 4290, 4719, 5210, 5731, 6252, 6292, 6773, 7260, 7815, 7865, 8580, 9438, 10420, 11462, 13546, 15630, 15730, 17193, 18876, 20319, 22924, 23595, 27092, 28655, 31260, 31460, 33865, 34386, 40638, 47190, 57310, 63041, 67730, 68772, 74503, 81276, 85965, 94380, 101595, 114620, 126082, 135460, 149006, 171930, 189123, 203190, 223509, 252164, 298012, 315205, 343860, 372515, 378246, 406380, 447018, 630410, 745030, 756492, 819533, 894036, 945615, 1117545, 1260820, 1490060, 1639066, 1891230, 2235090, 2458599, 3278132, 3782460, 4097665, 4470180, 4917198, 8195330, 9834396, 12292995, 16390660, 24585990, 49171980]

約数ペア:

[(1, 49171980), (2, 24585990), (3, 16390660), (4, 12292995), (5, 9834396), (6, 8195330), (10, 4917198), (11, 4470180), (12, 4097665), (13, 3782460), (15, 3278132), (20, 2458599), (22, 2235090), (26, 1891230), (30, 1639066), (33, 1490060), (39, 1260820), (44, 1117545), (52, 945615), (55, 894036), (60, 819533), (65, 756492), (66, 745030), (78, 630410), (110, 447018), (121, 406380), (130, 378246), (132, 372515), (143, 343860), (156, 315205), (165, 298012), (195, 252164), (220, 223509), (242, 203190), (260, 189123), (286, 171930), (330, 149006), (363, 135460), (390, 126082), (429, 114620), (484, 101595), (521, 94380), (572, 85965), (605, 81276), (660, 74503), (715, 68772), (726, 67730), (780, 63041), (858, 57310), (1042, 47190), (1210, 40638), (1430, 34386), (1452, 33865), (1563, 31460), (1573, 31260), (1716, 28655), (1815, 27092), (2084, 23595), (2145, 22924), (2420, 20319), (2605, 18876), (2860, 17193), (3126, 15730), (3146, 15630), (3630, 13546), (4290, 11462), (4719, 10420), (5210, 9438), (5731, 8580), (6252, 7865), (6292, 7815), (6773, 7260)]