30391920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 116992512

約数和(自身を除く): 86600592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 191, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 382, 390, 408, 442, 468, 510, 520, 573, 585, 612, 624, 663, 680, 720, 764, 765, 780, 816, 884, 936, 955, 1020, 1040, 1105, 1146, 1170, 1224, 1326, 1360, 1528, 1530, 1560, 1719, 1768, 1872, 1910, 1989, 2040, 2210, 2292, 2340, 2448, 2483, 2652, 2865, 3056, 3060, 3120, 3247, 3315, 3438, 3536, 3820, 3978, 4080, 4420, 4584, 4680, 4966, 5304, 5730, 6120, 6494, 6630, 6876, 7449, 7640, 7956, 8595, 8840, 9168, 9360, 9741, 9932, 9945, 10608, 11460, 12240, 12415, 12988, 13260, 13752, 14898, 15280, 15912, 16235, 17190, 17680, 19482, 19864, 19890, 22347, 22920, 24830, 25976, 26520, 27504, 29223, 29796, 31824, 32470, 34380, 37245, 38964, 39728, 39780, 42211, 44694, 45840, 48705, 49660, 51952, 53040, 58446, 59592, 64940, 68760, 74490, 77928, 79560, 84422, 89388, 97410, 99320, 111735, 116892, 119184, 126633, 129880, 137520, 146115, 148980, 155856, 159120, 168844, 178776, 194820, 198640, 211055, 223470, 233784, 253266, 259760, 292230, 297960, 337688, 357552, 379899, 389640, 422110, 446940, 467568, 506532, 584460, 595920, 633165, 675376, 759798, 779280, 844220, 893880, 1013064, 1168920, 1266330, 1519596, 1688440, 1787760, 1899495, 2026128, 2337840, 2532660, 3039192, 3376880, 3798990, 5065320, 6078384, 7597980, 10130640, 15195960, 30391920]

約数ペア:

[(1, 30391920), (2, 15195960), (3, 10130640), (4, 7597980), (5, 6078384), (6, 5065320), (8, 3798990), (9, 3376880), (10, 3039192), (12, 2532660), (13, 2337840), (15, 2026128), (16, 1899495), (17, 1787760), (18, 1688440), (20, 1519596), (24, 1266330), (26, 1168920), (30, 1013064), (34, 893880), (36, 844220), (39, 779280), (40, 759798), (45, 675376), (48, 633165), (51, 595920), (52, 584460), (60, 506532), (65, 467568), (68, 446940), (72, 422110), (78, 389640), (80, 379899), (85, 357552), (90, 337688), (102, 297960), (104, 292230), (117, 259760), (120, 253266), (130, 233784), (136, 223470), (144, 211055), (153, 198640), (156, 194820), (170, 178776), (180, 168844), (191, 159120), (195, 155856), (204, 148980), (208, 146115), (221, 137520), (234, 129880), (240, 126633), (255, 119184), (260, 116892), (272, 111735), (306, 99320), (312, 97410), (340, 89388), (360, 84422), (382, 79560), (390, 77928), (408, 74490), (442, 68760), (468, 64940), (510, 59592), (520, 58446), (573, 53040), (585, 51952), (612, 49660), (624, 48705), (663, 45840), (680, 44694), (720, 42211), (764, 39780), (765, 39728), (780, 38964), (816, 37245), (884, 34380), (936, 32470), (955, 31824), (1020, 29796), (1040, 29223), (1105, 27504), (1146, 26520), (1170, 25976), (1224, 24830), (1326, 22920), (1360, 22347), (1528, 19890), (1530, 19864), (1560, 19482), (1719, 17680), (1768, 17190), (1872, 16235), (1910, 15912), (1989, 15280), (2040, 14898), (2210, 13752), (2292, 13260), (2340, 12988), (2448, 12415), (2483, 12240), (2652, 11460), (2865, 10608), (3056, 9945), (3060, 9932), (3120, 9741), (3247, 9360), (3315, 9168), (3438, 8840), (3536, 8595), (3820, 7956), (3978, 7640), (4080, 7449), (4420, 6876), (4584, 6630), (4680, 6494), (4966, 6120), (5304, 5730)]