78629220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 255003840

約数和(自身を除く): 176374620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 83, 90, 95, 114, 166, 171, 180, 190, 228, 249, 277, 285, 332, 342, 380, 415, 498, 554, 570, 684, 747, 830, 831, 855, 996, 1108, 1140, 1245, 1385, 1494, 1577, 1660, 1662, 1710, 2490, 2493, 2770, 2988, 3154, 3324, 3420, 3735, 4155, 4731, 4980, 4986, 5263, 5540, 6308, 7470, 7885, 8310, 9462, 9972, 10526, 12465, 14193, 14940, 15770, 15789, 16620, 18924, 21052, 22991, 23655, 24930, 26315, 28386, 31540, 31578, 45982, 47310, 47367, 49860, 52630, 56772, 63156, 68973, 70965, 78945, 91964, 94620, 94734, 105260, 114955, 137946, 141930, 157890, 189468, 206919, 229910, 236835, 275892, 283860, 315780, 344865, 413838, 436829, 459820, 473670, 689730, 827676, 873658, 947340, 1034595, 1310487, 1379460, 1747316, 2069190, 2184145, 2620974, 3931461, 4138380, 4368290, 5241948, 6552435, 7862922, 8736580, 13104870, 15725844, 19657305, 26209740, 39314610, 78629220]

約数ペア:

[(1, 78629220), (2, 39314610), (3, 26209740), (4, 19657305), (5, 15725844), (6, 13104870), (9, 8736580), (10, 7862922), (12, 6552435), (15, 5241948), (18, 4368290), (19, 4138380), (20, 3931461), (30, 2620974), (36, 2184145), (38, 2069190), (45, 1747316), (57, 1379460), (60, 1310487), (76, 1034595), (83, 947340), (90, 873658), (95, 827676), (114, 689730), (166, 473670), (171, 459820), (180, 436829), (190, 413838), (228, 344865), (249, 315780), (277, 283860), (285, 275892), (332, 236835), (342, 229910), (380, 206919), (415, 189468), (498, 157890), (554, 141930), (570, 137946), (684, 114955), (747, 105260), (830, 94734), (831, 94620), (855, 91964), (996, 78945), (1108, 70965), (1140, 68973), (1245, 63156), (1385, 56772), (1494, 52630), (1577, 49860), (1660, 47367), (1662, 47310), (1710, 45982), (2490, 31578), (2493, 31540), (2770, 28386), (2988, 26315), (3154, 24930), (3324, 23655), (3420, 22991), (3735, 21052), (4155, 18924), (4731, 16620), (4980, 15789), (4986, 15770), (5263, 14940), (5540, 14193), (6308, 12465), (7470, 10526), (7885, 9972), (8310, 9462)]