18224280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 64696320

約数和(自身を除く): 46472040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 31, 36, 40, 45, 46, 60, 62, 69, 71, 72, 90, 92, 93, 115, 120, 124, 138, 142, 155, 180, 184, 186, 207, 213, 230, 248, 276, 279, 284, 310, 345, 355, 360, 372, 414, 426, 460, 465, 552, 558, 568, 620, 639, 690, 710, 713, 744, 828, 852, 920, 930, 1035, 1065, 1116, 1240, 1278, 1380, 1395, 1420, 1426, 1633, 1656, 1704, 1860, 2070, 2130, 2139, 2201, 2232, 2556, 2760, 2790, 2840, 2852, 3195, 3266, 3565, 3720, 4140, 4260, 4278, 4402, 4899, 5112, 5580, 5704, 6390, 6417, 6532, 6603, 7130, 8165, 8280, 8520, 8556, 8804, 9798, 10695, 11005, 11160, 12780, 12834, 13064, 13206, 14260, 14697, 16330, 17112, 17608, 19596, 19809, 21390, 22010, 24495, 25560, 25668, 26412, 28520, 29394, 32085, 32660, 33015, 39192, 39618, 42780, 44020, 48990, 50623, 51336, 52824, 58788, 64170, 65320, 66030, 73485, 79236, 85560, 88040, 97980, 99045, 101246, 117576, 128340, 132060, 146970, 151869, 158472, 195960, 198090, 202492, 253115, 256680, 264120, 293940, 303738, 396180, 404984, 455607, 506230, 587880, 607476, 759345, 792360, 911214, 1012460, 1214952, 1518690, 1822428, 2024920, 2278035, 3037380, 3644856, 4556070, 6074760, 9112140, 18224280]

約数ペア:

[(1, 18224280), (2, 9112140), (3, 6074760), (4, 4556070), (5, 3644856), (6, 3037380), (8, 2278035), (9, 2024920), (10, 1822428), (12, 1518690), (15, 1214952), (18, 1012460), (20, 911214), (23, 792360), (24, 759345), (30, 607476), (31, 587880), (36, 506230), (40, 455607), (45, 404984), (46, 396180), (60, 303738), (62, 293940), (69, 264120), (71, 256680), (72, 253115), (90, 202492), (92, 198090), (93, 195960), (115, 158472), (120, 151869), (124, 146970), (138, 132060), (142, 128340), (155, 117576), (180, 101246), (184, 99045), (186, 97980), (207, 88040), (213, 85560), (230, 79236), (248, 73485), (276, 66030), (279, 65320), (284, 64170), (310, 58788), (345, 52824), (355, 51336), (360, 50623), (372, 48990), (414, 44020), (426, 42780), (460, 39618), (465, 39192), (552, 33015), (558, 32660), (568, 32085), (620, 29394), (639, 28520), (690, 26412), (710, 25668), (713, 25560), (744, 24495), (828, 22010), (852, 21390), (920, 19809), (930, 19596), (1035, 17608), (1065, 17112), (1116, 16330), (1240, 14697), (1278, 14260), (1380, 13206), (1395, 13064), (1420, 12834), (1426, 12780), (1633, 11160), (1656, 11005), (1704, 10695), (1860, 9798), (2070, 8804), (2130, 8556), (2139, 8520), (2201, 8280), (2232, 8165), (2556, 7130), (2760, 6603), (2790, 6532), (2840, 6417), (2852, 6390), (3195, 5704), (3266, 5580), (3565, 5112), (3720, 4899), (4140, 4402), (4260, 4278)]