87891720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5507}}^1$

素因数の和:5547

約数の個数: 128

約数和(自身を含む): 317260800

約数和(自身を除く): 229369080

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, 5507, 7980, 11014, 15960, 16521, 22028, 27535, 33042, 38549, 44056, 55070, 66084, 77098, 82605, 104633, 110140, 115647, 132168, 154196, 165210, 192745, 209266, 220280, 231294, 308392, 313899, 330420, 385490, 418532, 462588, 523165, 578235, 627798, 660840, 732431, 770980, 837064, 925176, 1046330, 1156470, 1255596, 1464862, 1541960, 1569495, 2092660, 2197293, 2312940, 2511192, 2929724, 3138990, 3662155, 4185320, 4394586, 4625880, 5859448, 6277980, 7324310, 8789172, 10986465, 12555960, 14648620, 17578344, 21972930, 29297240, 43945860, 87891720]

約数ペア:

[(1, 87891720), (2, 43945860), (3, 29297240), (4, 21972930), (5, 17578344), (6, 14648620), (7, 12555960), (8, 10986465), (10, 8789172), (12, 7324310), (14, 6277980), (15, 5859448), (19, 4625880), (20, 4394586), (21, 4185320), (24, 3662155), (28, 3138990), (30, 2929724), (35, 2511192), (38, 2312940), (40, 2197293), (42, 2092660), (56, 1569495), (57, 1541960), (60, 1464862), (70, 1255596), (76, 1156470), (84, 1046330), (95, 925176), (105, 837064), (114, 770980), (120, 732431), (133, 660840), (140, 627798), (152, 578235), (168, 523165), (190, 462588), (210, 418532), (228, 385490), (266, 330420), (280, 313899), (285, 308392), (380, 231294), (399, 220280), (420, 209266), (456, 192745), (532, 165210), (570, 154196), (665, 132168), (760, 115647), (798, 110140), (840, 104633), (1064, 82605), (1140, 77098), (1330, 66084), (1596, 55070), (1995, 44056), (2280, 38549), (2660, 33042), (3192, 27535), (3990, 22028), (5320, 16521), (5507, 15960), (7980, 11014)]