18778883175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2837}}^1$

素因数の和:2970

約数の個数: 144

約数和(自身を含む): 37916406528

約数和(自身を除く): 19137523353

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 45, 65, 73, 75, 93, 117, 155, 195, 219, 225, 279, 325, 365, 403, 465, 585, 657, 775, 949, 975, 1095, 1209, 1395, 1825, 2015, 2263, 2325, 2837, 2847, 2925, 3285, 3627, 4745, 5475, 6045, 6789, 6975, 8511, 8541, 10075, 11315, 14185, 14235, 16425, 18135, 20367, 23725, 25533, 29419, 30225, 33945, 36881, 42555, 42705, 56575, 70925, 71175, 87947, 88257, 90675, 101835, 110643, 127665, 147095, 169725, 184405, 207101, 212775, 213525, 263841, 264771, 331929, 439735, 441285, 509175, 553215, 621303, 638325, 735475, 791523, 922025, 1035505, 1143311, 1319205, 1323855, 1659645, 1863909, 2198675, 2206425, 2692313, 2766075, 3106515, 3429933, 3957615, 5177525, 5716555, 6420131, 6596025, 6619275, 8076939, 8298225, 9319545, 10289799, 13461565, 15532575, 17149665, 19260393, 19788075, 24230817, 28582775, 32100655, 40384695, 46597725, 51448995, 57781179, 67307825, 83461703, 85748325, 96301965, 121154085, 160503275, 201923475, 250385109, 257244975, 288905895, 417308515, 481509825, 605770425, 751155327, 1251925545, 1444529475, 2086542575, 3755776635, 6259627725, 18778883175]

約数ペア:

[(1, 18778883175), (3, 6259627725), (5, 3755776635), (9, 2086542575), (13, 1444529475), (15, 1251925545), (25, 751155327), (31, 605770425), (39, 481509825), (45, 417308515), (65, 288905895), (73, 257244975), (75, 250385109), (93, 201923475), (117, 160503275), (155, 121154085), (195, 96301965), (219, 85748325), (225, 83461703), (279, 67307825), (325, 57781179), (365, 51448995), (403, 46597725), (465, 40384695), (585, 32100655), (657, 28582775), (775, 24230817), (949, 19788075), (975, 19260393), (1095, 17149665), (1209, 15532575), (1395, 13461565), (1825, 10289799), (2015, 9319545), (2263, 8298225), (2325, 8076939), (2837, 6619275), (2847, 6596025), (2925, 6420131), (3285, 5716555), (3627, 5177525), (4745, 3957615), (5475, 3429933), (6045, 3106515), (6789, 2766075), (6975, 2692313), (8511, 2206425), (8541, 2198675), (10075, 1863909), (11315, 1659645), (14185, 1323855), (14235, 1319205), (16425, 1143311), (18135, 1035505), (20367, 922025), (23725, 791523), (25533, 735475), (29419, 638325), (30225, 621303), (33945, 553215), (36881, 509175), (42555, 441285), (42705, 439735), (56575, 331929), (70925, 264771), (71175, 263841), (87947, 213525), (88257, 212775), (90675, 207101), (101835, 184405), (110643, 169725), (127665, 147095)]