30449640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 99792000

約数和(自身を除く): 69342360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 131, 149, 156, 195, 260, 262, 298, 312, 390, 393, 447, 520, 524, 596, 655, 745, 780, 786, 894, 1048, 1192, 1310, 1490, 1560, 1572, 1703, 1788, 1937, 1965, 2235, 2620, 2980, 3144, 3406, 3576, 3874, 3930, 4470, 5109, 5240, 5811, 5960, 6812, 7748, 7860, 8515, 8940, 9685, 10218, 11622, 13624, 15496, 15720, 17030, 17880, 19370, 19519, 20436, 23244, 25545, 29055, 34060, 38740, 39038, 40872, 46488, 51090, 58110, 58557, 68120, 77480, 78076, 97595, 102180, 116220, 117114, 156152, 195190, 204360, 232440, 234228, 253747, 292785, 390380, 468456, 507494, 585570, 761241, 780760, 1014988, 1171140, 1268735, 1522482, 2029976, 2342280, 2537470, 3044964, 3806205, 5074940, 6089928, 7612410, 10149880, 15224820, 30449640]

約数ペア:

[(1, 30449640), (2, 15224820), (3, 10149880), (4, 7612410), (5, 6089928), (6, 5074940), (8, 3806205), (10, 3044964), (12, 2537470), (13, 2342280), (15, 2029976), (20, 1522482), (24, 1268735), (26, 1171140), (30, 1014988), (39, 780760), (40, 761241), (52, 585570), (60, 507494), (65, 468456), (78, 390380), (104, 292785), (120, 253747), (130, 234228), (131, 232440), (149, 204360), (156, 195190), (195, 156152), (260, 117114), (262, 116220), (298, 102180), (312, 97595), (390, 78076), (393, 77480), (447, 68120), (520, 58557), (524, 58110), (596, 51090), (655, 46488), (745, 40872), (780, 39038), (786, 38740), (894, 34060), (1048, 29055), (1192, 25545), (1310, 23244), (1490, 20436), (1560, 19519), (1572, 19370), (1703, 17880), (1788, 17030), (1937, 15720), (1965, 15496), (2235, 13624), (2620, 11622), (2980, 10218), (3144, 9685), (3406, 8940), (3576, 8515), (3874, 7860), (3930, 7748), (4470, 6812), (5109, 5960), (5240, 5811)]