90378640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3313}}^1$

素因数の和:3368

約数の個数: 80

約数和(自身を含む): 236699136

約数和(自身を除く): 146320496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3313, 3410, 5456, 6626, 6820, 13252, 13640, 16565, 26504, 27280, 33130, 36443, 53008, 66260, 72886, 102703, 132520, 145772, 182215, 205406, 265040, 291544, 364430, 410812, 513515, 583088, 728860, 821624, 1027030, 1129733, 1457720, 1643248, 2054060, 2259466, 2915440, 4108120, 4518932, 5648665, 8216240, 9037864, 11297330, 18075728, 22594660, 45189320, 90378640]

約数ペア:

[(1, 90378640), (2, 45189320), (4, 22594660), (5, 18075728), (8, 11297330), (10, 9037864), (11, 8216240), (16, 5648665), (20, 4518932), (22, 4108120), (31, 2915440), (40, 2259466), (44, 2054060), (55, 1643248), (62, 1457720), (80, 1129733), (88, 1027030), (110, 821624), (124, 728860), (155, 583088), (176, 513515), (220, 410812), (248, 364430), (310, 291544), (341, 265040), (440, 205406), (496, 182215), (620, 145772), (682, 132520), (880, 102703), (1240, 72886), (1364, 66260), (1705, 53008), (2480, 36443), (2728, 33130), (3313, 27280), (3410, 26504), (5456, 16565), (6626, 13640), (6820, 13252)]