404144520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 256

約数和(自身を含む): 1379911680

約数和(自身を除く): 975767160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 61, 62, 65, 78, 93, 104, 120, 122, 124, 130, 137, 155, 156, 183, 186, 195, 244, 248, 260, 274, 305, 310, 312, 366, 372, 390, 403, 411, 465, 488, 520, 548, 610, 620, 685, 732, 744, 780, 793, 806, 822, 915, 930, 1096, 1209, 1220, 1240, 1370, 1464, 1560, 1586, 1612, 1644, 1781, 1830, 1860, 1891, 2015, 2055, 2379, 2418, 2440, 2740, 3172, 3224, 3288, 3562, 3660, 3720, 3782, 3965, 4030, 4110, 4247, 4758, 4836, 5343, 5480, 5673, 6045, 6344, 7124, 7320, 7564, 7930, 8060, 8220, 8357, 8494, 8905, 9455, 9516, 9672, 10686, 11346, 11895, 12090, 12741, 14248, 15128, 15860, 16120, 16440, 16714, 16988, 17810, 18910, 19032, 21235, 21372, 22692, 23790, 24180, 24583, 25071, 25482, 26715, 28365, 31720, 33428, 33976, 35620, 37820, 41785, 42470, 42744, 45384, 47580, 48360, 49166, 50142, 50964, 53430, 55211, 56730, 63705, 66856, 71240, 73749, 75640, 83570, 84940, 95160, 98332, 100284, 101928, 106860, 108641, 110422, 113460, 122915, 125355, 127410, 147498, 165633, 167140, 169880, 196664, 200568, 213720, 217282, 220844, 226920, 245830, 250710, 254820, 259067, 276055, 294996, 325923, 331266, 334280, 368745, 434564, 441688, 491660, 501420, 509640, 518134, 543205, 552110, 589992, 651846, 662532, 737490, 777201, 828165, 869128, 983320, 1002840, 1036268, 1086410, 1104220, 1295335, 1303692, 1325064, 1474980, 1554402, 1629615, 1656330, 2072536, 2172820, 2208440, 2590670, 2607384, 2949960, 3108804, 3259230, 3312660, 3367871, 3886005, 4345640, 5181340, 6217608, 6518460, 6625320, 6735742, 7772010, 10103613, 10362680, 13036920, 13471484, 15544020, 16839355, 20207226, 26942968, 31088040, 33678710, 40414452, 50518065, 67357420, 80828904, 101036130, 134714840, 202072260, 404144520]

約数ペア:

[(1, 404144520), (2, 202072260), (3, 134714840), (4, 101036130), (5, 80828904), (6, 67357420), (8, 50518065), (10, 40414452), (12, 33678710), (13, 31088040), (15, 26942968), (20, 20207226), (24, 16839355), (26, 15544020), (30, 13471484), (31, 13036920), (39, 10362680), (40, 10103613), (52, 7772010), (60, 6735742), (61, 6625320), (62, 6518460), (65, 6217608), (78, 5181340), (93, 4345640), (104, 3886005), (120, 3367871), (122, 3312660), (124, 3259230), (130, 3108804), (137, 2949960), (155, 2607384), (156, 2590670), (183, 2208440), (186, 2172820), (195, 2072536), (244, 1656330), (248, 1629615), (260, 1554402), (274, 1474980), (305, 1325064), (310, 1303692), (312, 1295335), (366, 1104220), (372, 1086410), (390, 1036268), (403, 1002840), (411, 983320), (465, 869128), (488, 828165), (520, 777201), (548, 737490), (610, 662532), (620, 651846), (685, 589992), (732, 552110), (744, 543205), (780, 518134), (793, 509640), (806, 501420), (822, 491660), (915, 441688), (930, 434564), (1096, 368745), (1209, 334280), (1220, 331266), (1240, 325923), (1370, 294996), (1464, 276055), (1560, 259067), (1586, 254820), (1612, 250710), (1644, 245830), (1781, 226920), (1830, 220844), (1860, 217282), (1891, 213720), (2015, 200568), (2055, 196664), (2379, 169880), (2418, 167140), (2440, 165633), (2740, 147498), (3172, 127410), (3224, 125355), (3288, 122915), (3562, 113460), (3660, 110422), (3720, 108641), (3782, 106860), (3965, 101928), (4030, 100284), (4110, 98332), (4247, 95160), (4758, 84940), (4836, 83570), (5343, 75640), (5480, 73749), (5673, 71240), (6045, 66856), (6344, 63705), (7124, 56730), (7320, 55211), (7564, 53430), (7930, 50964), (8060, 50142), (8220, 49166), (8357, 48360), (8494, 47580), (8905, 45384), (9455, 42744), (9516, 42470), (9672, 41785), (10686, 37820), (11346, 35620), (11895, 33976), (12090, 33428), (12741, 31720), (14248, 28365), (15128, 26715), (15860, 25482), (16120, 25071), (16440, 24583), (16714, 24180), (16988, 23790), (17810, 22692), (18910, 21372), (19032, 21235)]