87888973240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{2729}}^1$

素因数の和:3065

約数の個数: 128

約数和(自身を含む): 205102497600

約数和(自身を除く): 117213524360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 197, 244, 268, 305, 335, 394, 488, 536, 610, 670, 788, 985, 1220, 1340, 1576, 1970, 2440, 2680, 2729, 3940, 4087, 5458, 7880, 8174, 10916, 12017, 13199, 13645, 16348, 20435, 21832, 24034, 26398, 27290, 32696, 40870, 48068, 52796, 54580, 60085, 65995, 81740, 96136, 105592, 109160, 120170, 131990, 163480, 166469, 182843, 240340, 263980, 332938, 365686, 480680, 527960, 537613, 665876, 731372, 805139, 832345, 914215, 1075226, 1331752, 1462744, 1610278, 1664690, 1828430, 2150452, 2688065, 3220556, 3329380, 3656860, 4025695, 4300904, 5376130, 6441112, 6658760, 7313720, 8051390, 10752260, 11153423, 16102780, 21504520, 22306846, 32205560, 32794393, 36020071, 44613692, 55767115, 65588786, 72040142, 89227384, 111534230, 131177572, 144080284, 163971965, 180100355, 223068460, 262355144, 288160568, 327943930, 360200710, 446136920, 655887860, 720401420, 1311775720, 1440802840, 2197224331, 4394448662, 8788897324, 10986121655, 17577794648, 21972243310, 43944486620, 87888973240]

約数ペア:

[(1, 87888973240), (2, 43944486620), (4, 21972243310), (5, 17577794648), (8, 10986121655), (10, 8788897324), (20, 4394448662), (40, 2197224331), (61, 1440802840), (67, 1311775720), (122, 720401420), (134, 655887860), (197, 446136920), (244, 360200710), (268, 327943930), (305, 288160568), (335, 262355144), (394, 223068460), (488, 180100355), (536, 163971965), (610, 144080284), (670, 131177572), (788, 111534230), (985, 89227384), (1220, 72040142), (1340, 65588786), (1576, 55767115), (1970, 44613692), (2440, 36020071), (2680, 32794393), (2729, 32205560), (3940, 22306846), (4087, 21504520), (5458, 16102780), (7880, 11153423), (8174, 10752260), (10916, 8051390), (12017, 7313720), (13199, 6658760), (13645, 6441112), (16348, 5376130), (20435, 4300904), (21832, 4025695), (24034, 3656860), (26398, 3329380), (27290, 3220556), (32696, 2688065), (40870, 2150452), (48068, 1828430), (52796, 1664690), (54580, 1610278), (60085, 1462744), (65995, 1331752), (81740, 1075226), (96136, 914215), (105592, 832345), (109160, 805139), (120170, 731372), (131990, 665876), (163480, 537613), (166469, 527960), (182843, 480680), (240340, 365686), (263980, 332938)]