15564555020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{30137}}^1$

素因数の和:30208

約数の個数: 144

約数和(自身を含む): 41558614272

約数和(自身を除く): 25994059252

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 49, 62, 68, 70, 85, 98, 119, 124, 140, 155, 170, 196, 217, 238, 245, 310, 340, 434, 476, 490, 527, 595, 620, 833, 868, 980, 1054, 1085, 1190, 1519, 1666, 2108, 2170, 2380, 2635, 3038, 3332, 3689, 4165, 4340, 5270, 6076, 7378, 7595, 8330, 10540, 14756, 15190, 16660, 18445, 25823, 30137, 30380, 36890, 51646, 60274, 73780, 103292, 120548, 129115, 150685, 210959, 258230, 301370, 421918, 512329, 516460, 602740, 843836, 934247, 1024658, 1054795, 1476713, 1868494, 2049316, 2109590, 2561645, 2953426, 3586303, 3736988, 4219180, 4671235, 5123290, 5906852, 6539729, 7172606, 7383565, 9342470, 10246580, 13079458, 14345212, 14767130, 15882199, 17931515, 18684940, 25104121, 26158916, 29534260, 31764398, 32698645, 35863030, 45778103, 50208242, 63528796, 65397290, 71726060, 79410995, 91556206, 100416484, 111175393, 125520605, 130794580, 158821990, 183112412, 222350786, 228890515, 251041210, 317643980, 444701572, 457781030, 502082420, 555876965, 778227751, 915562060, 1111753930, 1556455502, 2223507860, 3112911004, 3891138755, 7782277510, 15564555020]

約数ペア:

[(1, 15564555020), (2, 7782277510), (4, 3891138755), (5, 3112911004), (7, 2223507860), (10, 1556455502), (14, 1111753930), (17, 915562060), (20, 778227751), (28, 555876965), (31, 502082420), (34, 457781030), (35, 444701572), (49, 317643980), (62, 251041210), (68, 228890515), (70, 222350786), (85, 183112412), (98, 158821990), (119, 130794580), (124, 125520605), (140, 111175393), (155, 100416484), (170, 91556206), (196, 79410995), (217, 71726060), (238, 65397290), (245, 63528796), (310, 50208242), (340, 45778103), (434, 35863030), (476, 32698645), (490, 31764398), (527, 29534260), (595, 26158916), (620, 25104121), (833, 18684940), (868, 17931515), (980, 15882199), (1054, 14767130), (1085, 14345212), (1190, 13079458), (1519, 10246580), (1666, 9342470), (2108, 7383565), (2170, 7172606), (2380, 6539729), (2635, 5906852), (3038, 5123290), (3332, 4671235), (3689, 4219180), (4165, 3736988), (4340, 3586303), (5270, 2953426), (6076, 2561645), (7378, 2109590), (7595, 2049316), (8330, 1868494), (10540, 1476713), (14756, 1054795), (15190, 1024658), (16660, 934247), (18445, 843836), (25823, 602740), (30137, 516460), (30380, 512329), (36890, 421918), (51646, 301370), (60274, 258230), (73780, 210959), (103292, 150685), (120548, 129115)]