421136520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26387}}^1$

素因数の和:26427

約数の個数: 128

約数和(自身を含む): 1519948800

約数和(自身を除く): 1098812280

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, 5320, 7980, 15960, 26387, 52774, 79161, 105548, 131935, 158322, 184709, 211096, 263870, 316644, 369418, 395805, 501353, 527740, 554127, 633288, 738836, 791610, 923545, 1002706, 1055480, 1108254, 1477672, 1504059, 1583220, 1847090, 2005412, 2216508, 2506765, 2770635, 3008118, 3166440, 3509471, 3694180, 4010824, 4433016, 5013530, 5541270, 6016236, 7018942, 7388360, 7520295, 10027060, 10528413, 11082540, 12032472, 14037884, 15040590, 17547355, 20054120, 21056826, 22165080, 28075768, 30081180, 35094710, 42113652, 52642065, 60162360, 70189420, 84227304, 105284130, 140378840, 210568260, 421136520]

約数ペア:

[(1, 421136520), (2, 210568260), (3, 140378840), (4, 105284130), (5, 84227304), (6, 70189420), (7, 60162360), (8, 52642065), (10, 42113652), (12, 35094710), (14, 30081180), (15, 28075768), (19, 22165080), (20, 21056826), (21, 20054120), (24, 17547355), (28, 15040590), (30, 14037884), (35, 12032472), (38, 11082540), (40, 10528413), (42, 10027060), (56, 7520295), (57, 7388360), (60, 7018942), (70, 6016236), (76, 5541270), (84, 5013530), (95, 4433016), (105, 4010824), (114, 3694180), (120, 3509471), (133, 3166440), (140, 3008118), (152, 2770635), (168, 2506765), (190, 2216508), (210, 2005412), (228, 1847090), (266, 1583220), (280, 1504059), (285, 1477672), (380, 1108254), (399, 1055480), (420, 1002706), (456, 923545), (532, 791610), (570, 738836), (665, 633288), (760, 554127), (798, 527740), (840, 501353), (1064, 395805), (1140, 369418), (1330, 316644), (1596, 263870), (1995, 211096), (2280, 184709), (2660, 158322), (3192, 131935), (3990, 105548), (5320, 79161), (7980, 52774), (15960, 26387)]