878705940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:542

約数の個数: 192

約数和(自身を含む): 2895298560

約数和(自身を除く): 2016592620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 79, 84, 105, 140, 142, 158, 210, 213, 237, 284, 316, 355, 373, 395, 420, 426, 474, 497, 553, 710, 746, 790, 852, 948, 994, 1065, 1106, 1119, 1185, 1420, 1491, 1492, 1580, 1659, 1865, 1988, 2130, 2212, 2238, 2370, 2485, 2611, 2765, 2982, 3318, 3730, 4260, 4476, 4740, 4970, 5222, 5530, 5595, 5609, 5964, 6636, 7455, 7460, 7833, 8295, 9940, 10444, 11060, 11190, 11218, 13055, 14910, 15666, 16590, 16827, 22380, 22436, 26110, 26483, 28045, 29467, 29820, 31332, 33180, 33654, 39165, 39263, 52220, 52966, 56090, 58934, 67308, 78330, 78526, 79449, 84135, 88401, 105932, 112180, 117789, 117868, 132415, 147335, 156660, 157052, 158898, 168270, 176802, 185381, 196315, 206269, 235578, 264830, 294670, 317796, 336540, 353604, 370762, 392630, 397245, 412538, 442005, 471156, 529660, 556143, 588945, 589340, 618807, 741524, 785260, 794490, 825076, 884010, 926905, 1031345, 1112286, 1177890, 1237614, 1588980, 1768020, 1853810, 2062690, 2092157, 2224572, 2355780, 2475228, 2780715, 3094035, 3707620, 4125380, 4184314, 5561430, 6188070, 6276471, 8368628, 10460785, 11122860, 12376140, 12552942, 14645099, 20921570, 25105884, 29290198, 31382355, 41843140, 43935297, 58580396, 62764710, 73225495, 87870594, 125529420, 146450990, 175741188, 219676485, 292901980, 439352970, 878705940]

約数ペア:

[(1, 878705940), (2, 439352970), (3, 292901980), (4, 219676485), (5, 175741188), (6, 146450990), (7, 125529420), (10, 87870594), (12, 73225495), (14, 62764710), (15, 58580396), (20, 43935297), (21, 41843140), (28, 31382355), (30, 29290198), (35, 25105884), (42, 20921570), (60, 14645099), (70, 12552942), (71, 12376140), (79, 11122860), (84, 10460785), (105, 8368628), (140, 6276471), (142, 6188070), (158, 5561430), (210, 4184314), (213, 4125380), (237, 3707620), (284, 3094035), (316, 2780715), (355, 2475228), (373, 2355780), (395, 2224572), (420, 2092157), (426, 2062690), (474, 1853810), (497, 1768020), (553, 1588980), (710, 1237614), (746, 1177890), (790, 1112286), (852, 1031345), (948, 926905), (994, 884010), (1065, 825076), (1106, 794490), (1119, 785260), (1185, 741524), (1420, 618807), (1491, 589340), (1492, 588945), (1580, 556143), (1659, 529660), (1865, 471156), (1988, 442005), (2130, 412538), (2212, 397245), (2238, 392630), (2370, 370762), (2485, 353604), (2611, 336540), (2765, 317796), (2982, 294670), (3318, 264830), (3730, 235578), (4260, 206269), (4476, 196315), (4740, 185381), (4970, 176802), (5222, 168270), (5530, 158898), (5595, 157052), (5609, 156660), (5964, 147335), (6636, 132415), (7455, 117868), (7460, 117789), (7833, 112180), (8295, 105932), (9940, 88401), (10444, 84135), (11060, 79449), (11190, 78526), (11218, 78330), (13055, 67308), (14910, 58934), (15666, 56090), (16590, 52966), (16827, 52220), (22380, 39263), (22436, 39165), (26110, 33654), (26483, 33180), (28045, 31332), (29467, 29820)]