8123640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:549

約数の個数: 128

約数和(自身を含む): 29376000

約数和(自身を除く): 21252360

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, 509, 532, 570, 665, 760, 798, 840, 1018, 1064, 1140, 1330, 1527, 1596, 1995, 2036, 2280, 2545, 2660, 3054, 3192, 3563, 3990, 4072, 5090, 5320, 6108, 7126, 7635, 7980, 9671, 10180, 10689, 12216, 14252, 15270, 15960, 17815, 19342, 20360, 21378, 28504, 29013, 30540, 35630, 38684, 42756, 48355, 53445, 58026, 61080, 67697, 71260, 77368, 85512, 96710, 106890, 116052, 135394, 142520, 145065, 193420, 203091, 213780, 232104, 270788, 290130, 338485, 386840, 406182, 427560, 541576, 580260, 676970, 812364, 1015455, 1160520, 1353940, 1624728, 2030910, 2707880, 4061820, 8123640]

約数ペア:

[(1, 8123640), (2, 4061820), (3, 2707880), (4, 2030910), (5, 1624728), (6, 1353940), (7, 1160520), (8, 1015455), (10, 812364), (12, 676970), (14, 580260), (15, 541576), (19, 427560), (20, 406182), (21, 386840), (24, 338485), (28, 290130), (30, 270788), (35, 232104), (38, 213780), (40, 203091), (42, 193420), (56, 145065), (57, 142520), (60, 135394), (70, 116052), (76, 106890), (84, 96710), (95, 85512), (105, 77368), (114, 71260), (120, 67697), (133, 61080), (140, 58026), (152, 53445), (168, 48355), (190, 42756), (210, 38684), (228, 35630), (266, 30540), (280, 29013), (285, 28504), (380, 21378), (399, 20360), (420, 19342), (456, 17815), (509, 15960), (532, 15270), (570, 14252), (665, 12216), (760, 10689), (798, 10180), (840, 9671), (1018, 7980), (1064, 7635), (1140, 7126), (1330, 6108), (1527, 5320), (1596, 5090), (1995, 4072), (2036, 3990), (2280, 3563), (2545, 3192), (2660, 3054)]