80994320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2969}}^1$

素因数の和:3024

約数の個数: 80

約数和(自身を含む): 212129280

約数和(自身を除く): 131134960

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, 2969, 3410, 5456, 5938, 6820, 11876, 13640, 14845, 23752, 27280, 29690, 32659, 47504, 59380, 65318, 92039, 118760, 130636, 163295, 184078, 237520, 261272, 326590, 368156, 460195, 522544, 653180, 736312, 920390, 1012429, 1306360, 1472624, 1840780, 2024858, 2612720, 3681560, 4049716, 5062145, 7363120, 8099432, 10124290, 16198864, 20248580, 40497160, 80994320]

約数ペア:

[(1, 80994320), (2, 40497160), (4, 20248580), (5, 16198864), (8, 10124290), (10, 8099432), (11, 7363120), (16, 5062145), (20, 4049716), (22, 3681560), (31, 2612720), (40, 2024858), (44, 1840780), (55, 1472624), (62, 1306360), (80, 1012429), (88, 920390), (110, 736312), (124, 653180), (155, 522544), (176, 460195), (220, 368156), (248, 326590), (310, 261272), (341, 237520), (440, 184078), (496, 163295), (620, 130636), (682, 118760), (880, 92039), (1240, 65318), (1364, 59380), (1705, 47504), (2480, 32659), (2728, 29690), (2969, 27280), (3410, 23752), (5456, 14845), (5938, 13640), (6820, 11876)]