157212840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1301}}^1$

素因数の和:1387

約数の個数: 128

約数和(自身を含む): 506217600

約数和(自身を除く): 349004760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 53, 57, 60, 76, 95, 106, 114, 120, 152, 159, 190, 212, 228, 265, 285, 318, 380, 424, 456, 530, 570, 636, 760, 795, 1007, 1060, 1140, 1272, 1301, 1590, 2014, 2120, 2280, 2602, 3021, 3180, 3903, 4028, 5035, 5204, 6042, 6360, 6505, 7806, 8056, 10070, 10408, 12084, 13010, 15105, 15612, 19515, 20140, 24168, 24719, 26020, 30210, 31224, 39030, 40280, 49438, 52040, 60420, 68953, 74157, 78060, 98876, 120840, 123595, 137906, 148314, 156120, 197752, 206859, 247190, 275812, 296628, 344765, 370785, 413718, 494380, 551624, 593256, 689530, 741570, 827436, 988760, 1034295, 1310107, 1379060, 1483140, 1654872, 2068590, 2620214, 2758120, 2966280, 3930321, 4137180, 5240428, 6550535, 7860642, 8274360, 10480856, 13101070, 15721284, 19651605, 26202140, 31442568, 39303210, 52404280, 78606420, 157212840]

約数ペア:

[(1, 157212840), (2, 78606420), (3, 52404280), (4, 39303210), (5, 31442568), (6, 26202140), (8, 19651605), (10, 15721284), (12, 13101070), (15, 10480856), (19, 8274360), (20, 7860642), (24, 6550535), (30, 5240428), (38, 4137180), (40, 3930321), (53, 2966280), (57, 2758120), (60, 2620214), (76, 2068590), (95, 1654872), (106, 1483140), (114, 1379060), (120, 1310107), (152, 1034295), (159, 988760), (190, 827436), (212, 741570), (228, 689530), (265, 593256), (285, 551624), (318, 494380), (380, 413718), (424, 370785), (456, 344765), (530, 296628), (570, 275812), (636, 247190), (760, 206859), (795, 197752), (1007, 156120), (1060, 148314), (1140, 137906), (1272, 123595), (1301, 120840), (1590, 98876), (2014, 78060), (2120, 74157), (2280, 68953), (2602, 60420), (3021, 52040), (3180, 49438), (3903, 40280), (4028, 39030), (5035, 31224), (5204, 30210), (6042, 26020), (6360, 24719), (6505, 24168), (7806, 20140), (8056, 19515), (10070, 15612), (10408, 15105), (12084, 13010)]