78747760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:435

約数の個数: 160

約数和(自身を含む): 233735040

約数和(自身を除く): 154987280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 182, 203, 208, 232, 260, 280, 290, 364, 373, 377, 406, 455, 464, 520, 560, 580, 728, 746, 754, 812, 910, 1015, 1040, 1160, 1456, 1492, 1508, 1624, 1820, 1865, 1885, 2030, 2320, 2611, 2639, 2984, 3016, 3248, 3640, 3730, 3770, 4060, 4849, 5222, 5278, 5968, 6032, 7280, 7460, 7540, 8120, 9698, 10444, 10556, 10817, 13055, 13195, 14920, 15080, 16240, 19396, 20888, 21112, 21634, 24245, 26110, 26390, 29840, 30160, 33943, 38792, 41776, 42224, 43268, 48490, 52220, 52780, 54085, 67886, 75719, 77584, 86536, 96980, 104440, 105560, 108170, 135772, 140621, 151438, 169715, 173072, 193960, 208880, 211120, 216340, 271544, 281242, 302876, 339430, 378595, 387920, 432680, 543088, 562484, 605752, 678860, 703105, 757190, 865360, 984347, 1124968, 1211504, 1357720, 1406210, 1514380, 1968694, 2249936, 2715440, 2812420, 3028760, 3937388, 4921735, 5624840, 6057520, 7874776, 9843470, 11249680, 15749552, 19686940, 39373880, 78747760]

約数ペア:

[(1, 78747760), (2, 39373880), (4, 19686940), (5, 15749552), (7, 11249680), (8, 9843470), (10, 7874776), (13, 6057520), (14, 5624840), (16, 4921735), (20, 3937388), (26, 3028760), (28, 2812420), (29, 2715440), (35, 2249936), (40, 1968694), (52, 1514380), (56, 1406210), (58, 1357720), (65, 1211504), (70, 1124968), (80, 984347), (91, 865360), (104, 757190), (112, 703105), (116, 678860), (130, 605752), (140, 562484), (145, 543088), (182, 432680), (203, 387920), (208, 378595), (232, 339430), (260, 302876), (280, 281242), (290, 271544), (364, 216340), (373, 211120), (377, 208880), (406, 193960), (455, 173072), (464, 169715), (520, 151438), (560, 140621), (580, 135772), (728, 108170), (746, 105560), (754, 104440), (812, 96980), (910, 86536), (1015, 77584), (1040, 75719), (1160, 67886), (1456, 54085), (1492, 52780), (1508, 52220), (1624, 48490), (1820, 43268), (1865, 42224), (1885, 41776), (2030, 38792), (2320, 33943), (2611, 30160), (2639, 29840), (2984, 26390), (3016, 26110), (3248, 24245), (3640, 21634), (3730, 21112), (3770, 20888), (4060, 19396), (4849, 16240), (5222, 15080), (5278, 14920), (5968, 13195), (6032, 13055), (7280, 10817), (7460, 10556), (7540, 10444), (8120, 9698)]