80235480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2707}}^1$

素因数の和:2753

約数の個数: 128

約数和(自身を含む): 272966400

約数和(自身を除く): 192730920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2707, 2964, 3705, 4940, 5414, 5928, 7410, 8121, 9880, 10828, 13535, 14820, 16242, 21656, 27070, 29640, 32484, 35191, 40605, 51433, 54140, 64968, 70382, 81210, 102866, 105573, 108280, 140764, 154299, 162420, 175955, 205732, 211146, 257165, 281528, 308598, 324840, 351910, 411464, 422292, 514330, 527865, 617196, 668629, 703820, 771495, 844584, 1028660, 1055730, 1234392, 1337258, 1407640, 1542990, 2005887, 2057320, 2111460, 2674516, 3085980, 3343145, 4011774, 4222920, 5349032, 6171960, 6686290, 8023548, 10029435, 13372580, 16047096, 20058870, 26745160, 40117740, 80235480]

約数ペア:

[(1, 80235480), (2, 40117740), (3, 26745160), (4, 20058870), (5, 16047096), (6, 13372580), (8, 10029435), (10, 8023548), (12, 6686290), (13, 6171960), (15, 5349032), (19, 4222920), (20, 4011774), (24, 3343145), (26, 3085980), (30, 2674516), (38, 2111460), (39, 2057320), (40, 2005887), (52, 1542990), (57, 1407640), (60, 1337258), (65, 1234392), (76, 1055730), (78, 1028660), (95, 844584), (104, 771495), (114, 703820), (120, 668629), (130, 617196), (152, 527865), (156, 514330), (190, 422292), (195, 411464), (228, 351910), (247, 324840), (260, 308598), (285, 281528), (312, 257165), (380, 211146), (390, 205732), (456, 175955), (494, 162420), (520, 154299), (570, 140764), (741, 108280), (760, 105573), (780, 102866), (988, 81210), (1140, 70382), (1235, 64968), (1482, 54140), (1560, 51433), (1976, 40605), (2280, 35191), (2470, 32484), (2707, 29640), (2964, 27070), (3705, 21656), (4940, 16242), (5414, 14820), (5928, 13535), (7410, 10828), (8121, 9880)]