80782300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 203424480

約数和(自身を除く): 122642180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 41, 50, 61, 68, 76, 82, 85, 95, 100, 122, 164, 170, 190, 205, 244, 305, 323, 340, 380, 410, 425, 475, 610, 646, 697, 779, 820, 850, 950, 1025, 1037, 1159, 1220, 1292, 1394, 1525, 1558, 1615, 1700, 1900, 2050, 2074, 2318, 2501, 2788, 3050, 3116, 3230, 3485, 3895, 4100, 4148, 4636, 5002, 5185, 5795, 6100, 6460, 6970, 7790, 8075, 10004, 10370, 11590, 12505, 13243, 13940, 15580, 16150, 17425, 19475, 19703, 20740, 23180, 25010, 25925, 26486, 28975, 32300, 34850, 38950, 39406, 42517, 47519, 50020, 51850, 52972, 57950, 62525, 66215, 69700, 77900, 78812, 85034, 95038, 98515, 103700, 115900, 125050, 132430, 170068, 190076, 197030, 212585, 237595, 250100, 264860, 331075, 394060, 425170, 475190, 492575, 662150, 807823, 850340, 950380, 985150, 1062925, 1187975, 1324300, 1615646, 1970300, 2125850, 2375950, 3231292, 4039115, 4251700, 4751900, 8078230, 16156460, 20195575, 40391150, 80782300]

約数ペア:

[(1, 80782300), (2, 40391150), (4, 20195575), (5, 16156460), (10, 8078230), (17, 4751900), (19, 4251700), (20, 4039115), (25, 3231292), (34, 2375950), (38, 2125850), (41, 1970300), (50, 1615646), (61, 1324300), (68, 1187975), (76, 1062925), (82, 985150), (85, 950380), (95, 850340), (100, 807823), (122, 662150), (164, 492575), (170, 475190), (190, 425170), (205, 394060), (244, 331075), (305, 264860), (323, 250100), (340, 237595), (380, 212585), (410, 197030), (425, 190076), (475, 170068), (610, 132430), (646, 125050), (697, 115900), (779, 103700), (820, 98515), (850, 95038), (950, 85034), (1025, 78812), (1037, 77900), (1159, 69700), (1220, 66215), (1292, 62525), (1394, 57950), (1525, 52972), (1558, 51850), (1615, 50020), (1700, 47519), (1900, 42517), (2050, 39406), (2074, 38950), (2318, 34850), (2501, 32300), (2788, 28975), (3050, 26486), (3116, 25925), (3230, 25010), (3485, 23180), (3895, 20740), (4100, 19703), (4148, 19475), (4636, 17425), (5002, 16150), (5185, 15580), (5795, 13940), (6100, 13243), (6460, 12505), (6970, 11590), (7790, 10370), (8075, 10004)]