180675440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 160

約数和(自身を含む): 488540160

約数和(自身を除く): 307864720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 37, 40, 44, 55, 62, 74, 80, 88, 110, 124, 148, 155, 176, 179, 185, 220, 248, 296, 310, 341, 358, 370, 407, 440, 496, 592, 620, 682, 716, 740, 814, 880, 895, 1147, 1240, 1364, 1432, 1480, 1628, 1705, 1790, 1969, 2035, 2294, 2480, 2728, 2864, 2960, 3256, 3410, 3580, 3938, 4070, 4588, 5456, 5549, 5735, 6512, 6623, 6820, 7160, 7876, 8140, 9176, 9845, 11098, 11470, 12617, 13246, 13640, 14320, 15752, 16280, 18352, 19690, 22196, 22940, 25234, 26492, 27280, 27745, 31504, 32560, 33115, 39380, 44392, 45880, 50468, 52984, 55490, 61039, 63085, 66230, 72853, 78760, 88784, 91760, 100936, 105968, 110980, 122078, 126170, 132460, 145706, 157520, 201872, 205313, 221960, 244156, 252340, 264920, 291412, 305195, 364265, 410626, 443920, 488312, 504680, 529840, 582824, 610390, 728530, 821252, 976624, 1009360, 1026565, 1165648, 1220780, 1457060, 1642504, 2053130, 2258443, 2441560, 2914120, 3285008, 4106260, 4516886, 4883120, 5828240, 8212520, 9033772, 11292215, 16425040, 18067544, 22584430, 36135088, 45168860, 90337720, 180675440]

約数ペア:

[(1, 180675440), (2, 90337720), (4, 45168860), (5, 36135088), (8, 22584430), (10, 18067544), (11, 16425040), (16, 11292215), (20, 9033772), (22, 8212520), (31, 5828240), (37, 4883120), (40, 4516886), (44, 4106260), (55, 3285008), (62, 2914120), (74, 2441560), (80, 2258443), (88, 2053130), (110, 1642504), (124, 1457060), (148, 1220780), (155, 1165648), (176, 1026565), (179, 1009360), (185, 976624), (220, 821252), (248, 728530), (296, 610390), (310, 582824), (341, 529840), (358, 504680), (370, 488312), (407, 443920), (440, 410626), (496, 364265), (592, 305195), (620, 291412), (682, 264920), (716, 252340), (740, 244156), (814, 221960), (880, 205313), (895, 201872), (1147, 157520), (1240, 145706), (1364, 132460), (1432, 126170), (1480, 122078), (1628, 110980), (1705, 105968), (1790, 100936), (1969, 91760), (2035, 88784), (2294, 78760), (2480, 72853), (2728, 66230), (2864, 63085), (2960, 61039), (3256, 55490), (3410, 52984), (3580, 50468), (3938, 45880), (4070, 44392), (4588, 39380), (5456, 33115), (5549, 32560), (5735, 31504), (6512, 27745), (6623, 27280), (6820, 26492), (7160, 25234), (7876, 22940), (8140, 22196), (9176, 19690), (9845, 18352), (11098, 16280), (11470, 15752), (12617, 14320), (13246, 13640)]