219982140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2552

約数の個数: 144

約数和(自身を含む): 773660160

約数和(自身を除く): 553678020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 994, 1065, 1260, 1278, 1420, 1491, 1988, 2130, 2459, 2485, 2556, 2982, 3195, 4260, 4473, 4918, 4970, 5964, 6390, 7377, 7455, 8946, 9836, 9940, 12295, 12780, 14754, 14910, 17213, 17892, 22131, 22365, 24590, 29508, 29820, 34426, 36885, 44262, 44730, 49180, 51639, 68852, 73770, 86065, 88524, 89460, 103278, 110655, 147540, 154917, 172130, 174589, 206556, 221310, 258195, 309834, 344260, 349178, 442620, 516390, 523767, 619668, 698356, 774585, 872945, 1032780, 1047534, 1222123, 1549170, 1571301, 1745890, 2095068, 2444246, 2618835, 3098340, 3142602, 3491780, 3666369, 4888492, 5237670, 6110615, 6285204, 7332738, 7856505, 10475340, 10999107, 12221230, 14665476, 15713010, 18331845, 21998214, 24442460, 31426020, 36663690, 43996428, 54995535, 73327380, 109991070, 219982140]

約数ペア:

[(1, 219982140), (2, 109991070), (3, 73327380), (4, 54995535), (5, 43996428), (6, 36663690), (7, 31426020), (9, 24442460), (10, 21998214), (12, 18331845), (14, 15713010), (15, 14665476), (18, 12221230), (20, 10999107), (21, 10475340), (28, 7856505), (30, 7332738), (35, 6285204), (36, 6110615), (42, 5237670), (45, 4888492), (60, 3666369), (63, 3491780), (70, 3142602), (71, 3098340), (84, 2618835), (90, 2444246), (105, 2095068), (126, 1745890), (140, 1571301), (142, 1549170), (180, 1222123), (210, 1047534), (213, 1032780), (252, 872945), (284, 774585), (315, 698356), (355, 619668), (420, 523767), (426, 516390), (497, 442620), (630, 349178), (639, 344260), (710, 309834), (852, 258195), (994, 221310), (1065, 206556), (1260, 174589), (1278, 172130), (1420, 154917), (1491, 147540), (1988, 110655), (2130, 103278), (2459, 89460), (2485, 88524), (2556, 86065), (2982, 73770), (3195, 68852), (4260, 51639), (4473, 49180), (4918, 44730), (4970, 44262), (5964, 36885), (6390, 34426), (7377, 29820), (7455, 29508), (8946, 24590), (9836, 22365), (9940, 22131), (12295, 17892), (12780, 17213), (14754, 14910)]