74839860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 242860800

約数和(自身を除く): 168020940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 79, 90, 95, 114, 158, 171, 180, 190, 228, 237, 277, 285, 316, 342, 380, 395, 474, 554, 570, 684, 711, 790, 831, 855, 948, 1108, 1140, 1185, 1385, 1422, 1501, 1580, 1662, 1710, 2370, 2493, 2770, 2844, 3002, 3324, 3420, 3555, 4155, 4503, 4740, 4986, 5263, 5540, 6004, 7110, 7505, 8310, 9006, 9972, 10526, 12465, 13509, 14220, 15010, 15789, 16620, 18012, 21052, 21883, 22515, 24930, 26315, 27018, 30020, 31578, 43766, 45030, 47367, 49860, 52630, 54036, 63156, 65649, 67545, 78945, 87532, 90060, 94734, 105260, 109415, 131298, 135090, 157890, 189468, 196947, 218830, 236835, 262596, 270180, 315780, 328245, 393894, 415777, 437660, 473670, 656490, 787788, 831554, 947340, 984735, 1247331, 1312980, 1663108, 1969470, 2078885, 2494662, 3741993, 3938940, 4157770, 4989324, 6236655, 7483986, 8315540, 12473310, 14967972, 18709965, 24946620, 37419930, 74839860]

約数ペア:

[(1, 74839860), (2, 37419930), (3, 24946620), (4, 18709965), (5, 14967972), (6, 12473310), (9, 8315540), (10, 7483986), (12, 6236655), (15, 4989324), (18, 4157770), (19, 3938940), (20, 3741993), (30, 2494662), (36, 2078885), (38, 1969470), (45, 1663108), (57, 1312980), (60, 1247331), (76, 984735), (79, 947340), (90, 831554), (95, 787788), (114, 656490), (158, 473670), (171, 437660), (180, 415777), (190, 393894), (228, 328245), (237, 315780), (277, 270180), (285, 262596), (316, 236835), (342, 218830), (380, 196947), (395, 189468), (474, 157890), (554, 135090), (570, 131298), (684, 109415), (711, 105260), (790, 94734), (831, 90060), (855, 87532), (948, 78945), (1108, 67545), (1140, 65649), (1185, 63156), (1385, 54036), (1422, 52630), (1501, 49860), (1580, 47367), (1662, 45030), (1710, 43766), (2370, 31578), (2493, 30020), (2770, 27018), (2844, 26315), (3002, 24930), (3324, 22515), (3420, 21883), (3555, 21052), (4155, 18012), (4503, 16620), (4740, 15789), (4986, 15010), (5263, 14220), (5540, 13509), (6004, 12465), (7110, 10526), (7505, 9972), (8310, 9006)]