688019640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3919}}^1$

素因数の和:3970

約数の個数: 256

約数和(自身を含む): 2709504000

約数和(自身を除く): 2021484360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 55, 56, 57, 60, 66, 70, 76, 77, 84, 88, 95, 105, 110, 114, 120, 132, 133, 140, 152, 154, 165, 168, 190, 209, 210, 220, 228, 231, 264, 266, 280, 285, 308, 330, 380, 385, 399, 418, 420, 440, 456, 462, 532, 570, 616, 627, 660, 665, 760, 770, 798, 836, 840, 924, 1045, 1064, 1140, 1155, 1254, 1320, 1330, 1463, 1540, 1596, 1672, 1848, 1995, 2090, 2280, 2310, 2508, 2660, 2926, 3080, 3135, 3192, 3919, 3990, 4180, 4389, 4620, 5016, 5320, 5852, 6270, 7315, 7838, 7980, 8360, 8778, 9240, 11704, 11757, 12540, 14630, 15676, 15960, 17556, 19595, 21945, 23514, 25080, 27433, 29260, 31352, 35112, 39190, 43109, 43890, 47028, 54866, 58520, 58785, 74461, 78380, 82299, 86218, 87780, 94056, 109732, 117570, 129327, 137165, 148922, 156760, 164598, 172436, 175560, 215545, 219464, 223383, 235140, 258654, 274330, 297844, 301763, 329196, 344872, 372305, 411495, 431090, 446766, 470280, 517308, 521227, 548660, 595688, 603526, 646635, 658392, 744610, 819071, 822990, 862180, 893532, 905289, 1034616, 1042454, 1097320, 1116915, 1207052, 1293270, 1489220, 1508815, 1563681, 1638142, 1645980, 1724360, 1787064, 1810578, 2084908, 2233830, 2414104, 2457213, 2586540, 2606135, 2978440, 3017630, 3127362, 3276284, 3291960, 3621156, 4095355, 4169816, 4467660, 4526445, 4914426, 5173080, 5212270, 5733497, 6035260, 6254724, 6552568, 7242312, 7818405, 8190710, 8935320, 9052890, 9828852, 10424540, 11466994, 12070520, 12286065, 12509448, 15636810, 16381420, 17200491, 18105780, 19657704, 20849080, 22933988, 24572130, 28667485, 31273620, 32762840, 34400982, 36211560, 45867976, 49144260, 57334970, 62547240, 68801964, 86002455, 98288520, 114669940, 137603928, 172004910, 229339880, 344009820, 688019640]

約数ペア:

[(1, 688019640), (2, 344009820), (3, 229339880), (4, 172004910), (5, 137603928), (6, 114669940), (7, 98288520), (8, 86002455), (10, 68801964), (11, 62547240), (12, 57334970), (14, 49144260), (15, 45867976), (19, 36211560), (20, 34400982), (21, 32762840), (22, 31273620), (24, 28667485), (28, 24572130), (30, 22933988), (33, 20849080), (35, 19657704), (38, 18105780), (40, 17200491), (42, 16381420), (44, 15636810), (55, 12509448), (56, 12286065), (57, 12070520), (60, 11466994), (66, 10424540), (70, 9828852), (76, 9052890), (77, 8935320), (84, 8190710), (88, 7818405), (95, 7242312), (105, 6552568), (110, 6254724), (114, 6035260), (120, 5733497), (132, 5212270), (133, 5173080), (140, 4914426), (152, 4526445), (154, 4467660), (165, 4169816), (168, 4095355), (190, 3621156), (209, 3291960), (210, 3276284), (220, 3127362), (228, 3017630), (231, 2978440), (264, 2606135), (266, 2586540), (280, 2457213), (285, 2414104), (308, 2233830), (330, 2084908), (380, 1810578), (385, 1787064), (399, 1724360), (418, 1645980), (420, 1638142), (440, 1563681), (456, 1508815), (462, 1489220), (532, 1293270), (570, 1207052), (616, 1116915), (627, 1097320), (660, 1042454), (665, 1034616), (760, 905289), (770, 893532), (798, 862180), (836, 822990), (840, 819071), (924, 744610), (1045, 658392), (1064, 646635), (1140, 603526), (1155, 595688), (1254, 548660), (1320, 521227), (1330, 517308), (1463, 470280), (1540, 446766), (1596, 431090), (1672, 411495), (1848, 372305), (1995, 344872), (2090, 329196), (2280, 301763), (2310, 297844), (2508, 274330), (2660, 258654), (2926, 235140), (3080, 223383), (3135, 219464), (3192, 215545), (3919, 175560), (3990, 172436), (4180, 164598), (4389, 156760), (4620, 148922), (5016, 137165), (5320, 129327), (5852, 117570), (6270, 109732), (7315, 94056), (7838, 87780), (7980, 86218), (8360, 82299), (8778, 78380), (9240, 74461), (11704, 58785), (11757, 58520), (12540, 54866), (14630, 47028), (15676, 43890), (15960, 43109), (17556, 39190), (19595, 35112), (21945, 31352), (23514, 29260), (25080, 27433)]