1216984960

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2441}}^1$

素因数の和:2520

約数の個数: 128

約数和(自身を含む): 3138458400

約数和(自身を除く): 1921473440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 152, 160, 164, 190, 205, 304, 320, 328, 380, 410, 608, 640, 656, 760, 779, 820, 1216, 1312, 1520, 1558, 1640, 2432, 2441, 2624, 3040, 3116, 3280, 3895, 4882, 5248, 6080, 6232, 6560, 7790, 9764, 12160, 12205, 12464, 13120, 15580, 19528, 24410, 24928, 26240, 31160, 39056, 46379, 48820, 49856, 62320, 78112, 92758, 97640, 99712, 100081, 124640, 156224, 185516, 195280, 200162, 231895, 249280, 312448, 371032, 390560, 400324, 463790, 498560, 500405, 742064, 781120, 800648, 927580, 1000810, 1484128, 1562240, 1601296, 1855160, 1901539, 2001620, 2968256, 3202592, 3710320, 3803078, 4003240, 5936512, 6405184, 7420640, 7606156, 8006480, 9507695, 12810368, 14841280, 15212312, 16012960, 19015390, 29682560, 30424624, 32025920, 38030780, 60849248, 64051840, 76061560, 121698496, 152123120, 243396992, 304246240, 608492480, 1216984960]

約数ペア:

[(1, 1216984960), (2, 608492480), (4, 304246240), (5, 243396992), (8, 152123120), (10, 121698496), (16, 76061560), (19, 64051840), (20, 60849248), (32, 38030780), (38, 32025920), (40, 30424624), (41, 29682560), (64, 19015390), (76, 16012960), (80, 15212312), (82, 14841280), (95, 12810368), (128, 9507695), (152, 8006480), (160, 7606156), (164, 7420640), (190, 6405184), (205, 5936512), (304, 4003240), (320, 3803078), (328, 3710320), (380, 3202592), (410, 2968256), (608, 2001620), (640, 1901539), (656, 1855160), (760, 1601296), (779, 1562240), (820, 1484128), (1216, 1000810), (1312, 927580), (1520, 800648), (1558, 781120), (1640, 742064), (2432, 500405), (2441, 498560), (2624, 463790), (3040, 400324), (3116, 390560), (3280, 371032), (3895, 312448), (4882, 249280), (5248, 231895), (6080, 200162), (6232, 195280), (6560, 185516), (7790, 156224), (9764, 124640), (12160, 100081), (12205, 99712), (12464, 97640), (13120, 92758), (15580, 78112), (19528, 62320), (24410, 49856), (24928, 48820), (26240, 46379), (31160, 39056)]