80078640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 263554560

約数和(自身を除く): 183475920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 89, 92, 115, 120, 138, 163, 178, 184, 230, 240, 267, 276, 326, 345, 356, 368, 445, 460, 489, 534, 552, 652, 690, 712, 815, 890, 920, 978, 1068, 1104, 1304, 1335, 1380, 1424, 1630, 1780, 1840, 1956, 2047, 2136, 2445, 2608, 2670, 2760, 3260, 3560, 3749, 3912, 4094, 4272, 4890, 5340, 5520, 6141, 6520, 7120, 7498, 7824, 8188, 9780, 10235, 10680, 11247, 12282, 13040, 14507, 14996, 16376, 18745, 19560, 20470, 21360, 22494, 24564, 29014, 29992, 30705, 32752, 37490, 39120, 40940, 43521, 44988, 49128, 56235, 58028, 59984, 61410, 72535, 74980, 81880, 87042, 89976, 98256, 112470, 116056, 122820, 145070, 149960, 163760, 174084, 179952, 217605, 224940, 232112, 245640, 290140, 299920, 333661, 348168, 435210, 449880, 491280, 580280, 667322, 696336, 870420, 899760, 1000983, 1160560, 1334644, 1668305, 1740840, 2001966, 2669288, 3336610, 3481680, 4003932, 5004915, 5338576, 6673220, 8007864, 10009830, 13346440, 16015728, 20019660, 26692880, 40039320, 80078640]

約数ペア:

[(1, 80078640), (2, 40039320), (3, 26692880), (4, 20019660), (5, 16015728), (6, 13346440), (8, 10009830), (10, 8007864), (12, 6673220), (15, 5338576), (16, 5004915), (20, 4003932), (23, 3481680), (24, 3336610), (30, 2669288), (40, 2001966), (46, 1740840), (48, 1668305), (60, 1334644), (69, 1160560), (80, 1000983), (89, 899760), (92, 870420), (115, 696336), (120, 667322), (138, 580280), (163, 491280), (178, 449880), (184, 435210), (230, 348168), (240, 333661), (267, 299920), (276, 290140), (326, 245640), (345, 232112), (356, 224940), (368, 217605), (445, 179952), (460, 174084), (489, 163760), (534, 149960), (552, 145070), (652, 122820), (690, 116056), (712, 112470), (815, 98256), (890, 89976), (920, 87042), (978, 81880), (1068, 74980), (1104, 72535), (1304, 61410), (1335, 59984), (1380, 58028), (1424, 56235), (1630, 49128), (1780, 44988), (1840, 43521), (1956, 40940), (2047, 39120), (2136, 37490), (2445, 32752), (2608, 30705), (2670, 29992), (2760, 29014), (3260, 24564), (3560, 22494), (3749, 21360), (3912, 20470), (4094, 19560), (4272, 18745), (4890, 16376), (5340, 14996), (5520, 14507), (6141, 13040), (6520, 12282), (7120, 11247), (7498, 10680), (7824, 10235), (8188, 9780)]