280983690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 192

約数和(自身を含む): 831946752

約数和(自身を除く): 550963062

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 61, 62, 65, 78, 90, 93, 117, 122, 127, 130, 155, 183, 186, 195, 234, 254, 279, 305, 310, 366, 381, 390, 403, 465, 549, 558, 585, 610, 635, 762, 793, 806, 915, 930, 1098, 1143, 1170, 1209, 1270, 1395, 1586, 1651, 1830, 1891, 1905, 2015, 2286, 2379, 2418, 2745, 2790, 3302, 3627, 3782, 3810, 3937, 3965, 4030, 4758, 4953, 5490, 5673, 5715, 6045, 7137, 7254, 7747, 7874, 7930, 8255, 9455, 9906, 11346, 11430, 11811, 11895, 12090, 14274, 14859, 15494, 16510, 17019, 18135, 18910, 19685, 23241, 23622, 23790, 24583, 24765, 28365, 29718, 34038, 35433, 35685, 36270, 38735, 39370, 46482, 49166, 49530, 51181, 56730, 59055, 69723, 70866, 71370, 73749, 74295, 77470, 85095, 100711, 102362, 116205, 118110, 122915, 139446, 147498, 148590, 153543, 170190, 177165, 201422, 221247, 232410, 240157, 245830, 255905, 302133, 307086, 348615, 354330, 368745, 442494, 460629, 480314, 503555, 511810, 604266, 697230, 720471, 737490, 767715, 906399, 921258, 1007110, 1106235, 1200785, 1440942, 1510665, 1535430, 1812798, 2161413, 2212470, 2303145, 2401570, 3021330, 3122041, 3602355, 4322826, 4531995, 4606290, 6244082, 7204710, 9063990, 9366123, 10807065, 15610205, 18732246, 21614130, 28098369, 31220410, 46830615, 56196738, 93661230, 140491845, 280983690]

約数ペア:

[(1, 280983690), (2, 140491845), (3, 93661230), (5, 56196738), (6, 46830615), (9, 31220410), (10, 28098369), (13, 21614130), (15, 18732246), (18, 15610205), (26, 10807065), (30, 9366123), (31, 9063990), (39, 7204710), (45, 6244082), (61, 4606290), (62, 4531995), (65, 4322826), (78, 3602355), (90, 3122041), (93, 3021330), (117, 2401570), (122, 2303145), (127, 2212470), (130, 2161413), (155, 1812798), (183, 1535430), (186, 1510665), (195, 1440942), (234, 1200785), (254, 1106235), (279, 1007110), (305, 921258), (310, 906399), (366, 767715), (381, 737490), (390, 720471), (403, 697230), (465, 604266), (549, 511810), (558, 503555), (585, 480314), (610, 460629), (635, 442494), (762, 368745), (793, 354330), (806, 348615), (915, 307086), (930, 302133), (1098, 255905), (1143, 245830), (1170, 240157), (1209, 232410), (1270, 221247), (1395, 201422), (1586, 177165), (1651, 170190), (1830, 153543), (1891, 148590), (1905, 147498), (2015, 139446), (2286, 122915), (2379, 118110), (2418, 116205), (2745, 102362), (2790, 100711), (3302, 85095), (3627, 77470), (3782, 74295), (3810, 73749), (3937, 71370), (3965, 70866), (4030, 69723), (4758, 59055), (4953, 56730), (5490, 51181), (5673, 49530), (5715, 49166), (6045, 46482), (7137, 39370), (7254, 38735), (7747, 36270), (7874, 35685), (7930, 35433), (8255, 34038), (9455, 29718), (9906, 28365), (11346, 24765), (11430, 24583), (11811, 23790), (11895, 23622), (12090, 23241), (14274, 19685), (14859, 18910), (15494, 18135), (16510, 17019)]