79122420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2$

素因数の和:81

約数の個数: 270

約数和(自身を含む): 285511842

約数和(自身を除く): 206389422

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 81, 85, 90, 102, 108, 117, 130, 135, 153, 156, 162, 169, 170, 180, 195, 204, 221, 234, 255, 260, 270, 289, 306, 324, 338, 340, 351, 390, 405, 442, 459, 468, 507, 510, 540, 578, 585, 612, 663, 676, 702, 765, 780, 810, 845, 867, 884, 918, 1014, 1020, 1053, 1105, 1156, 1170, 1326, 1377, 1404, 1445, 1521, 1530, 1620, 1690, 1734, 1755, 1836, 1989, 2028, 2106, 2210, 2295, 2340, 2535, 2601, 2652, 2754, 2873, 2890, 3042, 3060, 3315, 3380, 3468, 3510, 3757, 3978, 4212, 4335, 4420, 4563, 4590, 5070, 5202, 5265, 5508, 5746, 5780, 5967, 6084, 6630, 6885, 7020, 7514, 7605, 7803, 7956, 8619, 8670, 9126, 9180, 9945, 10140, 10404, 10530, 11271, 11492, 11934, 13005, 13260, 13689, 13770, 14365, 15028, 15210, 15606, 17238, 17340, 17901, 18252, 18785, 19890, 21060, 22542, 22815, 23409, 23868, 25857, 26010, 27378, 27540, 28730, 29835, 30420, 31212, 33813, 34476, 35802, 37570, 39015, 39780, 43095, 45084, 45630, 46818, 48841, 51714, 52020, 54756, 56355, 57460, 59670, 67626, 68445, 71604, 75140, 77571, 78030, 86190, 89505, 91260, 93636, 97682, 101439, 103428, 112710, 117045, 119340, 129285, 135252, 136890, 146523, 155142, 156060, 169065, 172380, 179010, 195364, 202878, 225420, 232713, 234090, 244205, 258570, 273780, 293046, 304317, 310284, 338130, 358020, 387855, 405756, 439569, 465426, 468180, 488410, 507195, 517140, 586092, 608634, 676260, 732615, 775710, 879138, 930852, 976820, 1014390, 1163565, 1217268, 1318707, 1465230, 1521585, 1551420, 1758276, 2028780, 2197845, 2327130, 2637414, 2930460, 3043170, 3956121, 4395690, 4654260, 5274828, 6086340, 6593535, 7912242, 8791380, 13187070, 15824484, 19780605, 26374140, 39561210, 79122420]

約数ペア:

[(1, 79122420), (2, 39561210), (3, 26374140), (4, 19780605), (5, 15824484), (6, 13187070), (9, 8791380), (10, 7912242), (12, 6593535), (13, 6086340), (15, 5274828), (17, 4654260), (18, 4395690), (20, 3956121), (26, 3043170), (27, 2930460), (30, 2637414), (34, 2327130), (36, 2197845), (39, 2028780), (45, 1758276), (51, 1551420), (52, 1521585), (54, 1465230), (60, 1318707), (65, 1217268), (68, 1163565), (78, 1014390), (81, 976820), (85, 930852), (90, 879138), (102, 775710), (108, 732615), (117, 676260), (130, 608634), (135, 586092), (153, 517140), (156, 507195), (162, 488410), (169, 468180), (170, 465426), (180, 439569), (195, 405756), (204, 387855), (221, 358020), (234, 338130), (255, 310284), (260, 304317), (270, 293046), (289, 273780), (306, 258570), (324, 244205), (338, 234090), (340, 232713), (351, 225420), (390, 202878), (405, 195364), (442, 179010), (459, 172380), (468, 169065), (507, 156060), (510, 155142), (540, 146523), (578, 136890), (585, 135252), (612, 129285), (663, 119340), (676, 117045), (702, 112710), (765, 103428), (780, 101439), (810, 97682), (845, 93636), (867, 91260), (884, 89505), (918, 86190), (1014, 78030), (1020, 77571), (1053, 75140), (1105, 71604), (1156, 68445), (1170, 67626), (1326, 59670), (1377, 57460), (1404, 56355), (1445, 54756), (1521, 52020), (1530, 51714), (1620, 48841), (1690, 46818), (1734, 45630), (1755, 45084), (1836, 43095), (1989, 39780), (2028, 39015), (2106, 37570), (2210, 35802), (2295, 34476), (2340, 33813), (2535, 31212), (2601, 30420), (2652, 29835), (2754, 28730), (2873, 27540), (2890, 27378), (3042, 26010), (3060, 25857), (3315, 23868), (3380, 23409), (3468, 22815), (3510, 22542), (3757, 21060), (3978, 19890), (4212, 18785), (4335, 18252), (4420, 17901), (4563, 17340), (4590, 17238), (5070, 15606), (5202, 15210), (5265, 15028), (5508, 14365), (5746, 13770), (5780, 13689), (5967, 13260), (6084, 13005), (6630, 11934), (6885, 11492), (7020, 11271), (7514, 10530), (7605, 10404), (7803, 10140), (7956, 9945), (8619, 9180), (8670, 9126)]