71447220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1607}}^1$

素因数の和:1654

約数の個数: 144

約数和(自身を含む): 245831040

約数和(自身を除く): 174383820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1607, 1710, 2223, 2340, 2470, 2964, 3214, 3420, 3705, 4446, 4821, 4940, 6428, 7410, 8035, 8892, 9642, 11115, 14463, 14820, 16070, 19284, 20891, 22230, 24105, 28926, 30533, 32140, 41782, 44460, 48210, 57852, 61066, 62673, 72315, 83564, 91599, 96420, 104455, 122132, 125346, 144630, 152665, 183198, 188019, 208910, 250692, 274797, 289260, 305330, 313365, 366396, 376038, 396929, 417820, 457995, 549594, 610660, 626730, 752076, 793858, 915990, 940095, 1099188, 1190787, 1253460, 1373985, 1587716, 1831980, 1880190, 1984645, 2381574, 2747970, 3572361, 3760380, 3969290, 4763148, 5495940, 5953935, 7144722, 7938580, 11907870, 14289444, 17861805, 23815740, 35723610, 71447220]

約数ペア:

[(1, 71447220), (2, 35723610), (3, 23815740), (4, 17861805), (5, 14289444), (6, 11907870), (9, 7938580), (10, 7144722), (12, 5953935), (13, 5495940), (15, 4763148), (18, 3969290), (19, 3760380), (20, 3572361), (26, 2747970), (30, 2381574), (36, 1984645), (38, 1880190), (39, 1831980), (45, 1587716), (52, 1373985), (57, 1253460), (60, 1190787), (65, 1099188), (76, 940095), (78, 915990), (90, 793858), (95, 752076), (114, 626730), (117, 610660), (130, 549594), (156, 457995), (171, 417820), (180, 396929), (190, 376038), (195, 366396), (228, 313365), (234, 305330), (247, 289260), (260, 274797), (285, 250692), (342, 208910), (380, 188019), (390, 183198), (468, 152665), (494, 144630), (570, 125346), (585, 122132), (684, 104455), (741, 96420), (780, 91599), (855, 83564), (988, 72315), (1140, 62673), (1170, 61066), (1235, 57852), (1482, 48210), (1607, 44460), (1710, 41782), (2223, 32140), (2340, 30533), (2470, 28926), (2964, 24105), (3214, 22230), (3420, 20891), (3705, 19284), (4446, 16070), (4821, 14820), (4940, 14463), (6428, 11115), (7410, 9642), (8035, 8892)]