16401432880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1168

約数の個数: 240

約数和(自身を含む): 46167045120

約数和(自身を除く): 29765612240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 139, 140, 155, 196, 217, 245, 248, 278, 280, 310, 392, 434, 490, 496, 556, 560, 620, 695, 784, 868, 971, 973, 980, 1085, 1112, 1240, 1390, 1519, 1736, 1942, 1946, 1960, 2170, 2224, 2480, 2780, 3038, 3472, 3884, 3892, 3920, 4309, 4340, 4855, 4865, 5560, 6076, 6797, 6811, 7595, 7768, 7784, 8618, 8680, 9710, 9730, 11120, 12152, 13594, 13622, 15190, 15536, 15568, 17236, 17360, 19420, 19460, 21545, 24304, 27188, 27244, 30101, 30163, 30380, 33985, 34055, 34472, 38840, 38920, 43090, 47579, 54376, 54488, 60202, 60326, 60760, 67970, 68110, 68944, 77680, 77840, 86180, 95158, 108752, 108976, 120404, 120652, 121520, 134969, 135940, 136220, 150505, 150815, 172360, 190316, 210707, 211141, 237895, 240808, 241304, 269938, 271880, 272440, 301010, 301630, 344720, 380632, 421414, 422282, 475790, 481616, 482608, 539876, 543760, 544880, 602020, 603260, 674845, 761264, 842828, 844564, 944783, 951580, 1053535, 1055705, 1079752, 1204040, 1206520, 1349690, 1474949, 1685656, 1689128, 1889566, 1903160, 2107070, 2111410, 2159504, 2408080, 2413040, 2699380, 2949898, 3371312, 3378256, 3779132, 3806320, 4184039, 4214140, 4222820, 4723915, 5398760, 5899796, 6613481, 7374745, 7558264, 8368078, 8428280, 8445640, 9447830, 10797520, 11799592, 13226962, 14749490, 15116528, 16736156, 16856560, 16891280, 18895660, 20920195, 23599184, 26453924, 29288273, 29498980, 33067405, 33472312, 37791320, 41840390, 52907848, 58576546, 58997960, 66134810, 66944624, 75582640, 83680780, 105815696, 117153092, 117995920, 132269620, 146441365, 167361560, 205017911, 234306184, 264539240, 292882730, 334723120, 410035822, 468612368, 529078480, 585765460, 820071644, 1025089555, 1171530920, 1640143288, 2050179110, 2343061840, 3280286576, 4100358220, 8200716440, 16401432880]

約数ペア:

[(1, 16401432880), (2, 8200716440), (4, 4100358220), (5, 3280286576), (7, 2343061840), (8, 2050179110), (10, 1640143288), (14, 1171530920), (16, 1025089555), (20, 820071644), (28, 585765460), (31, 529078480), (35, 468612368), (40, 410035822), (49, 334723120), (56, 292882730), (62, 264539240), (70, 234306184), (80, 205017911), (98, 167361560), (112, 146441365), (124, 132269620), (139, 117995920), (140, 117153092), (155, 105815696), (196, 83680780), (217, 75582640), (245, 66944624), (248, 66134810), (278, 58997960), (280, 58576546), (310, 52907848), (392, 41840390), (434, 37791320), (490, 33472312), (496, 33067405), (556, 29498980), (560, 29288273), (620, 26453924), (695, 23599184), (784, 20920195), (868, 18895660), (971, 16891280), (973, 16856560), (980, 16736156), (1085, 15116528), (1112, 14749490), (1240, 13226962), (1390, 11799592), (1519, 10797520), (1736, 9447830), (1942, 8445640), (1946, 8428280), (1960, 8368078), (2170, 7558264), (2224, 7374745), (2480, 6613481), (2780, 5899796), (3038, 5398760), (3472, 4723915), (3884, 4222820), (3892, 4214140), (3920, 4184039), (4309, 3806320), (4340, 3779132), (4855, 3378256), (4865, 3371312), (5560, 2949898), (6076, 2699380), (6797, 2413040), (6811, 2408080), (7595, 2159504), (7768, 2111410), (7784, 2107070), (8618, 1903160), (8680, 1889566), (9710, 1689128), (9730, 1685656), (11120, 1474949), (12152, 1349690), (13594, 1206520), (13622, 1204040), (15190, 1079752), (15536, 1055705), (15568, 1053535), (17236, 951580), (17360, 944783), (19420, 844564), (19460, 842828), (21545, 761264), (24304, 674845), (27188, 603260), (27244, 602020), (30101, 544880), (30163, 543760), (30380, 539876), (33985, 482608), (34055, 481616), (34472, 475790), (38840, 422282), (38920, 421414), (43090, 380632), (47579, 344720), (54376, 301630), (54488, 301010), (60202, 272440), (60326, 271880), (60760, 269938), (67970, 241304), (68110, 240808), (68944, 237895), (77680, 211141), (77840, 210707), (86180, 190316), (95158, 172360), (108752, 150815), (108976, 150505), (120404, 136220), (120652, 135940), (121520, 134969)]