65420040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4099}}^1$

素因数の和:4139

約数の個数: 128

約数和(自身を含む): 236160000

約数和(自身を除く): 170739960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 4099, 5320, 7980, 8198, 12297, 15960, 16396, 20495, 24594, 28693, 32792, 40990, 49188, 57386, 61485, 77881, 81980, 86079, 98376, 114772, 122970, 143465, 155762, 163960, 172158, 229544, 233643, 245940, 286930, 311524, 344316, 389405, 430395, 467286, 491880, 545167, 573860, 623048, 688632, 778810, 860790, 934572, 1090334, 1147720, 1168215, 1557620, 1635501, 1721580, 1869144, 2180668, 2336430, 2725835, 3115240, 3271002, 3443160, 4361336, 4672860, 5451670, 6542004, 8177505, 9345720, 10903340, 13084008, 16355010, 21806680, 32710020, 65420040]

約数ペア:

[(1, 65420040), (2, 32710020), (3, 21806680), (4, 16355010), (5, 13084008), (6, 10903340), (7, 9345720), (8, 8177505), (10, 6542004), (12, 5451670), (14, 4672860), (15, 4361336), (19, 3443160), (20, 3271002), (21, 3115240), (24, 2725835), (28, 2336430), (30, 2180668), (35, 1869144), (38, 1721580), (40, 1635501), (42, 1557620), (56, 1168215), (57, 1147720), (60, 1090334), (70, 934572), (76, 860790), (84, 778810), (95, 688632), (105, 623048), (114, 573860), (120, 545167), (133, 491880), (140, 467286), (152, 430395), (168, 389405), (190, 344316), (210, 311524), (228, 286930), (266, 245940), (280, 233643), (285, 229544), (380, 172158), (399, 163960), (420, 155762), (456, 143465), (532, 122970), (570, 114772), (665, 98376), (760, 86079), (798, 81980), (840, 77881), (1064, 61485), (1140, 57386), (1330, 49188), (1596, 40990), (1995, 32792), (2280, 28693), (2660, 24594), (3192, 20495), (3990, 16396), (4099, 15960), (5320, 12297), (7980, 8198)]