78214860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 249080832

約数和(自身を除く): 170865972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 107, 124, 131, 155, 180, 186, 214, 262, 279, 310, 321, 372, 393, 428, 465, 524, 535, 558, 620, 642, 655, 786, 930, 963, 1070, 1116, 1179, 1284, 1310, 1395, 1572, 1605, 1860, 1926, 1965, 2140, 2358, 2620, 2790, 3210, 3317, 3852, 3930, 4061, 4716, 4815, 5580, 5895, 6420, 6634, 7860, 8122, 9630, 9951, 11790, 12183, 13268, 14017, 16244, 16585, 19260, 19902, 20305, 23580, 24366, 28034, 29853, 33170, 36549, 39804, 40610, 42051, 48732, 49755, 56068, 59706, 60915, 66340, 70085, 73098, 81220, 84102, 99510, 119412, 121830, 126153, 140170, 146196, 149265, 168204, 182745, 199020, 210255, 243660, 252306, 280340, 298530, 365490, 420510, 434527, 504612, 597060, 630765, 730980, 841020, 869054, 1261530, 1303581, 1738108, 2172635, 2523060, 2607162, 3910743, 4345270, 5214324, 6517905, 7821486, 8690540, 13035810, 15642972, 19553715, 26071620, 39107430, 78214860]

約数ペア:

[(1, 78214860), (2, 39107430), (3, 26071620), (4, 19553715), (5, 15642972), (6, 13035810), (9, 8690540), (10, 7821486), (12, 6517905), (15, 5214324), (18, 4345270), (20, 3910743), (30, 2607162), (31, 2523060), (36, 2172635), (45, 1738108), (60, 1303581), (62, 1261530), (90, 869054), (93, 841020), (107, 730980), (124, 630765), (131, 597060), (155, 504612), (180, 434527), (186, 420510), (214, 365490), (262, 298530), (279, 280340), (310, 252306), (321, 243660), (372, 210255), (393, 199020), (428, 182745), (465, 168204), (524, 149265), (535, 146196), (558, 140170), (620, 126153), (642, 121830), (655, 119412), (786, 99510), (930, 84102), (963, 81220), (1070, 73098), (1116, 70085), (1179, 66340), (1284, 60915), (1310, 59706), (1395, 56068), (1572, 49755), (1605, 48732), (1860, 42051), (1926, 40610), (1965, 39804), (2140, 36549), (2358, 33170), (2620, 29853), (2790, 28034), (3210, 24366), (3317, 23580), (3852, 20305), (3930, 19902), (4061, 19260), (4716, 16585), (4815, 16244), (5580, 14017), (5895, 13268), (6420, 12183), (6634, 11790), (7860, 9951), (8122, 9630)]