255904920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4157}}^1$

素因数の和:4199

約数の個数: 160

約数和(自身を含む): 905612400

約数和(自身を除く): 649707480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1368, 1539, 1620, 1710, 2052, 2280, 2565, 3078, 3240, 3420, 4104, 4157, 5130, 6156, 6840, 7695, 8314, 10260, 12312, 12471, 15390, 16628, 20520, 20785, 24942, 30780, 33256, 37413, 41570, 49884, 61560, 62355, 74826, 78983, 83140, 99768, 112239, 124710, 149652, 157966, 166280, 187065, 224478, 236949, 249420, 299304, 315932, 336717, 374130, 394915, 448956, 473898, 498840, 561195, 631864, 673434, 710847, 748260, 789830, 897912, 947796, 1122390, 1184745, 1346868, 1421694, 1496520, 1579660, 1683585, 1895592, 2132541, 2244780, 2369490, 2693736, 2843388, 3159320, 3367170, 3554235, 4265082, 4489560, 4738980, 5686776, 6397623, 6734340, 7108470, 8530164, 9477960, 10662705, 12795246, 13468680, 14216940, 17060328, 21325410, 25590492, 28433880, 31988115, 42650820, 51180984, 63976230, 85301640, 127952460, 255904920]

約数ペア:

[(1, 255904920), (2, 127952460), (3, 85301640), (4, 63976230), (5, 51180984), (6, 42650820), (8, 31988115), (9, 28433880), (10, 25590492), (12, 21325410), (15, 17060328), (18, 14216940), (19, 13468680), (20, 12795246), (24, 10662705), (27, 9477960), (30, 8530164), (36, 7108470), (38, 6734340), (40, 6397623), (45, 5686776), (54, 4738980), (57, 4489560), (60, 4265082), (72, 3554235), (76, 3367170), (81, 3159320), (90, 2843388), (95, 2693736), (108, 2369490), (114, 2244780), (120, 2132541), (135, 1895592), (152, 1683585), (162, 1579660), (171, 1496520), (180, 1421694), (190, 1346868), (216, 1184745), (228, 1122390), (270, 947796), (285, 897912), (324, 789830), (342, 748260), (360, 710847), (380, 673434), (405, 631864), (456, 561195), (513, 498840), (540, 473898), (570, 448956), (648, 394915), (684, 374130), (760, 336717), (810, 315932), (855, 299304), (1026, 249420), (1080, 236949), (1140, 224478), (1368, 187065), (1539, 166280), (1620, 157966), (1710, 149652), (2052, 124710), (2280, 112239), (2565, 99768), (3078, 83140), (3240, 78983), (3420, 74826), (4104, 62355), (4157, 61560), (5130, 49884), (6156, 41570), (6840, 37413), (7695, 33256), (8314, 30780), (10260, 24942), (12312, 20785), (12471, 20520), (15390, 16628)]