1788487740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2129}}^1$

素因数の和:2516

約数の個数: 144

約数和(自身を含む): 5861419200

約数和(自身を除く): 4072931460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 359, 390, 468, 585, 718, 780, 1077, 1170, 1436, 1795, 2129, 2154, 2340, 3231, 3590, 4258, 4308, 4667, 5385, 6387, 6462, 7180, 8516, 9334, 10645, 10770, 12774, 12924, 14001, 16155, 18668, 19161, 21290, 21540, 23335, 25548, 27677, 28002, 31935, 32310, 38322, 42003, 42580, 46670, 55354, 56004, 63870, 64620, 70005, 76644, 83031, 84006, 93340, 95805, 110708, 127740, 138385, 140010, 166062, 168012, 191610, 210015, 249093, 276770, 280020, 332124, 383220, 415155, 420030, 498186, 553540, 764311, 830310, 840060, 996372, 1245465, 1528622, 1660620, 2292933, 2490930, 3057244, 3821555, 4585866, 4981860, 6878799, 7643110, 9171732, 9936043, 11464665, 13757598, 15286220, 19872086, 22929330, 27515196, 29808129, 34393995, 39744172, 45858660, 49680215, 59616258, 68787990, 89424387, 99360430, 119232516, 137575980, 149040645, 178848774, 198720860, 298081290, 357697548, 447121935, 596162580, 894243870, 1788487740]

約数ペア:

[(1, 1788487740), (2, 894243870), (3, 596162580), (4, 447121935), (5, 357697548), (6, 298081290), (9, 198720860), (10, 178848774), (12, 149040645), (13, 137575980), (15, 119232516), (18, 99360430), (20, 89424387), (26, 68787990), (30, 59616258), (36, 49680215), (39, 45858660), (45, 39744172), (52, 34393995), (60, 29808129), (65, 27515196), (78, 22929330), (90, 19872086), (117, 15286220), (130, 13757598), (156, 11464665), (180, 9936043), (195, 9171732), (234, 7643110), (260, 6878799), (359, 4981860), (390, 4585866), (468, 3821555), (585, 3057244), (718, 2490930), (780, 2292933), (1077, 1660620), (1170, 1528622), (1436, 1245465), (1795, 996372), (2129, 840060), (2154, 830310), (2340, 764311), (3231, 553540), (3590, 498186), (4258, 420030), (4308, 415155), (4667, 383220), (5385, 332124), (6387, 280020), (6462, 276770), (7180, 249093), (8516, 210015), (9334, 191610), (10645, 168012), (10770, 166062), (12774, 140010), (12924, 138385), (14001, 127740), (16155, 110708), (18668, 95805), (19161, 93340), (21290, 84006), (21540, 83031), (23335, 76644), (25548, 70005), (27677, 64620), (28002, 63870), (31935, 56004), (32310, 55354), (38322, 46670), (42003, 42580)]