81570060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3169}}^1$

素因数の和:3208

約数の個数: 144

約数和(自身を含む): 290777760

約数和(自身を除く): 209207700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 3169, 4290, 5148, 6338, 6435, 8580, 9507, 12676, 12870, 15845, 19014, 25740, 28521, 31690, 34859, 38028, 41197, 47535, 57042, 63380, 69718, 82394, 95070, 104577, 114084, 123591, 139436, 142605, 164788, 174295, 190140, 205985, 209154, 247182, 285210, 313731, 348590, 370773, 411970, 418308, 453167, 494364, 522885, 570420, 617955, 627462, 697180, 741546, 823940, 906334, 1045770, 1235910, 1254924, 1359501, 1483092, 1568655, 1812668, 1853865, 2091540, 2265835, 2471820, 2719002, 3137310, 3707730, 4078503, 4531670, 5438004, 6274620, 6797505, 7415460, 8157006, 9063340, 13595010, 16314012, 20392515, 27190020, 40785030, 81570060]

約数ペア:

[(1, 81570060), (2, 40785030), (3, 27190020), (4, 20392515), (5, 16314012), (6, 13595010), (9, 9063340), (10, 8157006), (11, 7415460), (12, 6797505), (13, 6274620), (15, 5438004), (18, 4531670), (20, 4078503), (22, 3707730), (26, 3137310), (30, 2719002), (33, 2471820), (36, 2265835), (39, 2091540), (44, 1853865), (45, 1812668), (52, 1568655), (55, 1483092), (60, 1359501), (65, 1254924), (66, 1235910), (78, 1045770), (90, 906334), (99, 823940), (110, 741546), (117, 697180), (130, 627462), (132, 617955), (143, 570420), (156, 522885), (165, 494364), (180, 453167), (195, 418308), (198, 411970), (220, 370773), (234, 348590), (260, 313731), (286, 285210), (330, 247182), (390, 209154), (396, 205985), (429, 190140), (468, 174295), (495, 164788), (572, 142605), (585, 139436), (660, 123591), (715, 114084), (780, 104577), (858, 95070), (990, 82394), (1170, 69718), (1287, 63380), (1430, 57042), (1716, 47535), (1980, 41197), (2145, 38028), (2340, 34859), (2574, 31690), (2860, 28521), (3169, 25740), (4290, 19014), (5148, 15845), (6338, 12870), (6435, 12676), (8580, 9507)]