285668760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1229}}^1$

素因数の和:1405

約数の個数: 128

約数和(自身を含む): 929880000

約数和(自身を除く): 644211240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 149, 156, 195, 260, 298, 312, 390, 447, 520, 596, 745, 780, 894, 1192, 1229, 1490, 1560, 1788, 1937, 2235, 2458, 2980, 3576, 3687, 3874, 4470, 4916, 5811, 5960, 6145, 7374, 7748, 8940, 9685, 9832, 11622, 12290, 14748, 15496, 15977, 17880, 18435, 19370, 23244, 24580, 29055, 29496, 31954, 36870, 38740, 46488, 47931, 49160, 58110, 63908, 73740, 77480, 79885, 95862, 116220, 127816, 147480, 159770, 183121, 191724, 232440, 239655, 319540, 366242, 383448, 479310, 549363, 639080, 732484, 915605, 958620, 1098726, 1464968, 1831210, 1917240, 2197452, 2380573, 2746815, 3662420, 4394904, 4761146, 5493630, 7141719, 7324840, 9522292, 10987260, 11902865, 14283438, 19044584, 21974520, 23805730, 28566876, 35708595, 47611460, 57133752, 71417190, 95222920, 142834380, 285668760]

約数ペア:

[(1, 285668760), (2, 142834380), (3, 95222920), (4, 71417190), (5, 57133752), (6, 47611460), (8, 35708595), (10, 28566876), (12, 23805730), (13, 21974520), (15, 19044584), (20, 14283438), (24, 11902865), (26, 10987260), (30, 9522292), (39, 7324840), (40, 7141719), (52, 5493630), (60, 4761146), (65, 4394904), (78, 3662420), (104, 2746815), (120, 2380573), (130, 2197452), (149, 1917240), (156, 1831210), (195, 1464968), (260, 1098726), (298, 958620), (312, 915605), (390, 732484), (447, 639080), (520, 549363), (596, 479310), (745, 383448), (780, 366242), (894, 319540), (1192, 239655), (1229, 232440), (1490, 191724), (1560, 183121), (1788, 159770), (1937, 147480), (2235, 127816), (2458, 116220), (2980, 95862), (3576, 79885), (3687, 77480), (3874, 73740), (4470, 63908), (4916, 58110), (5811, 49160), (5960, 47931), (6145, 46488), (7374, 38740), (7748, 36870), (8940, 31954), (9685, 29496), (9832, 29055), (11622, 24580), (12290, 23244), (14748, 19370), (15496, 18435), (15977, 17880)]