1281567300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5387}}^1$

素因数の和:5478

約数の個数: 144

約数和(自身を含む): 4059448512

約数和(自身を除く): 2777881212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 61, 65, 75, 78, 100, 122, 130, 150, 156, 183, 195, 244, 260, 300, 305, 325, 366, 390, 610, 650, 732, 780, 793, 915, 975, 1220, 1300, 1525, 1586, 1830, 1950, 2379, 3050, 3172, 3660, 3900, 3965, 4575, 4758, 5387, 6100, 7930, 9150, 9516, 10774, 11895, 15860, 16161, 18300, 19825, 21548, 23790, 26935, 32322, 39650, 47580, 53870, 59475, 64644, 70031, 79300, 80805, 107740, 118950, 134675, 140062, 161610, 210093, 237900, 269350, 280124, 323220, 328607, 350155, 404025, 420186, 538700, 657214, 700310, 808050, 840372, 985821, 1050465, 1314428, 1400620, 1616100, 1643035, 1750775, 1971642, 2100930, 3286070, 3501550, 3943284, 4201860, 4271891, 4929105, 5252325, 6572140, 7003100, 8215175, 8543782, 9858210, 10504650, 12815673, 16430350, 17087564, 19716420, 21009300, 21359455, 24645525, 25631346, 32860700, 42718910, 49291050, 51262692, 64078365, 85437820, 98582100, 106797275, 128156730, 213594550, 256313460, 320391825, 427189100, 640783650, 1281567300]

約数ペア:

[(1, 1281567300), (2, 640783650), (3, 427189100), (4, 320391825), (5, 256313460), (6, 213594550), (10, 128156730), (12, 106797275), (13, 98582100), (15, 85437820), (20, 64078365), (25, 51262692), (26, 49291050), (30, 42718910), (39, 32860700), (50, 25631346), (52, 24645525), (60, 21359455), (61, 21009300), (65, 19716420), (75, 17087564), (78, 16430350), (100, 12815673), (122, 10504650), (130, 9858210), (150, 8543782), (156, 8215175), (183, 7003100), (195, 6572140), (244, 5252325), (260, 4929105), (300, 4271891), (305, 4201860), (325, 3943284), (366, 3501550), (390, 3286070), (610, 2100930), (650, 1971642), (732, 1750775), (780, 1643035), (793, 1616100), (915, 1400620), (975, 1314428), (1220, 1050465), (1300, 985821), (1525, 840372), (1586, 808050), (1830, 700310), (1950, 657214), (2379, 538700), (3050, 420186), (3172, 404025), (3660, 350155), (3900, 328607), (3965, 323220), (4575, 280124), (4758, 269350), (5387, 237900), (6100, 210093), (7930, 161610), (9150, 140062), (9516, 134675), (10774, 118950), (11895, 107740), (15860, 80805), (16161, 79300), (18300, 70031), (19825, 64644), (21548, 59475), (23790, 53870), (26935, 47580), (32322, 39650)]