123751920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 398545920

約数和(自身を除く): 274794000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 79, 80, 107, 120, 122, 158, 183, 214, 237, 240, 244, 305, 316, 321, 366, 395, 428, 474, 488, 535, 610, 632, 642, 732, 790, 856, 915, 948, 976, 1070, 1185, 1220, 1264, 1284, 1464, 1580, 1605, 1712, 1830, 1896, 2140, 2370, 2440, 2568, 2928, 3160, 3210, 3660, 3792, 4280, 4740, 4819, 4880, 5136, 6320, 6420, 6527, 7320, 8453, 8560, 9480, 9638, 12840, 13054, 14457, 14640, 16906, 18960, 19276, 19581, 24095, 25359, 25680, 26108, 28914, 32635, 33812, 38552, 39162, 42265, 48190, 50718, 52216, 57828, 65270, 67624, 72285, 77104, 78324, 84530, 96380, 97905, 101436, 104432, 115656, 126795, 130540, 135248, 144570, 156648, 169060, 192760, 195810, 202872, 231312, 253590, 261080, 289140, 313296, 338120, 385520, 391620, 405744, 507180, 515633, 522160, 578280, 676240, 783240, 1014360, 1031266, 1156560, 1546899, 1566480, 2028720, 2062532, 2578165, 3093798, 4125064, 5156330, 6187596, 7734495, 8250128, 10312660, 12375192, 15468990, 20625320, 24750384, 30937980, 41250640, 61875960, 123751920]

約数ペア:

[(1, 123751920), (2, 61875960), (3, 41250640), (4, 30937980), (5, 24750384), (6, 20625320), (8, 15468990), (10, 12375192), (12, 10312660), (15, 8250128), (16, 7734495), (20, 6187596), (24, 5156330), (30, 4125064), (40, 3093798), (48, 2578165), (60, 2062532), (61, 2028720), (79, 1566480), (80, 1546899), (107, 1156560), (120, 1031266), (122, 1014360), (158, 783240), (183, 676240), (214, 578280), (237, 522160), (240, 515633), (244, 507180), (305, 405744), (316, 391620), (321, 385520), (366, 338120), (395, 313296), (428, 289140), (474, 261080), (488, 253590), (535, 231312), (610, 202872), (632, 195810), (642, 192760), (732, 169060), (790, 156648), (856, 144570), (915, 135248), (948, 130540), (976, 126795), (1070, 115656), (1185, 104432), (1220, 101436), (1264, 97905), (1284, 96380), (1464, 84530), (1580, 78324), (1605, 77104), (1712, 72285), (1830, 67624), (1896, 65270), (2140, 57828), (2370, 52216), (2440, 50718), (2568, 48190), (2928, 42265), (3160, 39162), (3210, 38552), (3660, 33812), (3792, 32635), (4280, 28914), (4740, 26108), (4819, 25680), (4880, 25359), (5136, 24095), (6320, 19581), (6420, 19276), (6527, 18960), (7320, 16906), (8453, 14640), (8560, 14457), (9480, 13054), (9638, 12840)]