73720920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 256

約数和(自身を含む): 280304640

約数和(自身を除く): 206583720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 43, 52, 56, 60, 65, 70, 78, 84, 86, 91, 104, 105, 120, 129, 130, 140, 156, 157, 168, 172, 182, 195, 210, 215, 258, 260, 273, 280, 301, 312, 314, 344, 364, 390, 420, 430, 455, 471, 516, 520, 546, 559, 602, 628, 645, 728, 780, 785, 840, 860, 903, 910, 942, 1032, 1092, 1099, 1118, 1204, 1256, 1290, 1365, 1505, 1560, 1570, 1677, 1720, 1806, 1820, 1884, 2041, 2184, 2198, 2236, 2355, 2408, 2580, 2730, 2795, 3010, 3140, 3297, 3354, 3612, 3640, 3768, 3913, 4082, 4396, 4472, 4515, 4710, 5160, 5460, 5495, 5590, 6020, 6123, 6280, 6594, 6708, 6751, 7224, 7826, 8164, 8385, 8792, 9030, 9420, 10205, 10920, 10990, 11180, 11739, 12040, 12246, 13188, 13416, 13502, 14287, 15652, 16328, 16485, 16770, 18060, 18840, 19565, 20253, 20410, 21980, 22360, 23478, 24492, 26376, 27004, 28574, 30615, 31304, 32970, 33540, 33755, 36120, 39130, 40506, 40820, 42861, 43960, 46956, 47257, 48984, 54008, 57148, 58695, 61230, 65940, 67080, 67510, 71435, 78260, 81012, 81640, 85722, 87763, 93912, 94514, 101265, 114296, 117390, 122460, 131880, 135020, 141771, 142870, 156520, 162024, 171444, 175526, 189028, 202530, 214305, 234780, 236285, 244920, 263289, 270040, 283542, 285740, 342888, 351052, 378056, 405060, 428610, 438815, 469560, 472570, 526578, 567084, 571480, 614341, 702104, 708855, 810120, 857220, 877630, 945140, 1053156, 1134168, 1228682, 1316445, 1417710, 1714440, 1755260, 1843023, 1890280, 2106312, 2457364, 2632890, 2835420, 3071705, 3510520, 3686046, 4914728, 5265780, 5670840, 6143410, 7372092, 9215115, 10531560, 12286820, 14744184, 18430230, 24573640, 36860460, 73720920]

約数ペア:

[(1, 73720920), (2, 36860460), (3, 24573640), (4, 18430230), (5, 14744184), (6, 12286820), (7, 10531560), (8, 9215115), (10, 7372092), (12, 6143410), (13, 5670840), (14, 5265780), (15, 4914728), (20, 3686046), (21, 3510520), (24, 3071705), (26, 2835420), (28, 2632890), (30, 2457364), (35, 2106312), (39, 1890280), (40, 1843023), (42, 1755260), (43, 1714440), (52, 1417710), (56, 1316445), (60, 1228682), (65, 1134168), (70, 1053156), (78, 945140), (84, 877630), (86, 857220), (91, 810120), (104, 708855), (105, 702104), (120, 614341), (129, 571480), (130, 567084), (140, 526578), (156, 472570), (157, 469560), (168, 438815), (172, 428610), (182, 405060), (195, 378056), (210, 351052), (215, 342888), (258, 285740), (260, 283542), (273, 270040), (280, 263289), (301, 244920), (312, 236285), (314, 234780), (344, 214305), (364, 202530), (390, 189028), (420, 175526), (430, 171444), (455, 162024), (471, 156520), (516, 142870), (520, 141771), (546, 135020), (559, 131880), (602, 122460), (628, 117390), (645, 114296), (728, 101265), (780, 94514), (785, 93912), (840, 87763), (860, 85722), (903, 81640), (910, 81012), (942, 78260), (1032, 71435), (1092, 67510), (1099, 67080), (1118, 65940), (1204, 61230), (1256, 58695), (1290, 57148), (1365, 54008), (1505, 48984), (1560, 47257), (1570, 46956), (1677, 43960), (1720, 42861), (1806, 40820), (1820, 40506), (1884, 39130), (2041, 36120), (2184, 33755), (2198, 33540), (2236, 32970), (2355, 31304), (2408, 30615), (2580, 28574), (2730, 27004), (2795, 26376), (3010, 24492), (3140, 23478), (3297, 22360), (3354, 21980), (3612, 20410), (3640, 20253), (3768, 19565), (3913, 18840), (4082, 18060), (4396, 16770), (4472, 16485), (4515, 16328), (4710, 15652), (5160, 14287), (5460, 13502), (5495, 13416), (5590, 13188), (6020, 12246), (6123, 12040), (6280, 11739), (6594, 11180), (6708, 10990), (6751, 10920), (7224, 10205), (7826, 9420), (8164, 9030), (8385, 8792)]