221344920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{659}}^1$

素因数の和:990

約数の個数: 128

約数和(自身を含む): 741312000

約数和(自身を除く): 519967080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 311, 360, 540, 622, 659, 933, 1080, 1244, 1318, 1555, 1866, 1977, 2488, 2636, 2799, 3110, 3295, 3732, 3954, 4665, 5272, 5598, 5931, 6220, 6590, 7464, 7908, 8397, 9330, 9885, 11196, 11862, 12440, 13180, 13995, 15816, 16794, 17793, 18660, 19770, 22392, 23724, 26360, 27990, 29655, 33588, 35586, 37320, 39540, 41985, 47448, 55980, 59310, 67176, 71172, 79080, 83970, 88965, 111960, 118620, 142344, 167940, 177930, 204949, 237240, 335880, 355860, 409898, 614847, 711720, 819796, 1024745, 1229694, 1639592, 1844541, 2049490, 2459388, 3074235, 3689082, 4098980, 4918776, 5533623, 6148470, 7378164, 8197960, 9222705, 11067246, 12296940, 14756328, 18445410, 22134492, 24593880, 27668115, 36890820, 44268984, 55336230, 73781640, 110672460, 221344920]

約数ペア:

[(1, 221344920), (2, 110672460), (3, 73781640), (4, 55336230), (5, 44268984), (6, 36890820), (8, 27668115), (9, 24593880), (10, 22134492), (12, 18445410), (15, 14756328), (18, 12296940), (20, 11067246), (24, 9222705), (27, 8197960), (30, 7378164), (36, 6148470), (40, 5533623), (45, 4918776), (54, 4098980), (60, 3689082), (72, 3074235), (90, 2459388), (108, 2049490), (120, 1844541), (135, 1639592), (180, 1229694), (216, 1024745), (270, 819796), (311, 711720), (360, 614847), (540, 409898), (622, 355860), (659, 335880), (933, 237240), (1080, 204949), (1244, 177930), (1318, 167940), (1555, 142344), (1866, 118620), (1977, 111960), (2488, 88965), (2636, 83970), (2799, 79080), (3110, 71172), (3295, 67176), (3732, 59310), (3954, 55980), (4665, 47448), (5272, 41985), (5598, 39540), (5931, 37320), (6220, 35586), (6590, 33588), (7464, 29655), (7908, 27990), (8397, 26360), (9330, 23724), (9885, 22392), (11196, 19770), (11862, 18660), (12440, 17793), (13180, 16794), (13995, 15816)]