21961279080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{6791}}^1$

素因数の和:7512

約数の個数: 192

約数和(自身を含む): 76987048320

約数和(自身を除く): 55025769240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 691, 780, 936, 1170, 1382, 1560, 2073, 2340, 2764, 3455, 4146, 4680, 5528, 6219, 6791, 6910, 8292, 8983, 10365, 12438, 13582, 13820, 16584, 17966, 20373, 20730, 24876, 26949, 27164, 27640, 31095, 33955, 35932, 40746, 41460, 44915, 49752, 53898, 54328, 61119, 62190, 67910, 71864, 80847, 81492, 82920, 88283, 89830, 101865, 107796, 122238, 124380, 134745, 135820, 161694, 162984, 176566, 179660, 203730, 215592, 244476, 248760, 264849, 269490, 271640, 305595, 323388, 353132, 359320, 404235, 407460, 441415, 488952, 529698, 538980, 611190, 646776, 706264, 794547, 808470, 814920, 882830, 1059396, 1077960, 1222380, 1324245, 1589094, 1616940, 1765660, 2118792, 2444760, 2648490, 3178188, 3233880, 3531320, 3972735, 4692581, 5296980, 6356376, 7945470, 9385162, 10593960, 14077743, 15890940, 18770324, 23462905, 28155486, 31781880, 37540648, 42233229, 46925810, 56310972, 61003553, 70388715, 84466458, 93851620, 112621944, 122007106, 140777430, 168932916, 183010659, 187703240, 211166145, 244014212, 281554860, 305017765, 337865832, 366021318, 422332290, 488028424, 549031977, 563109720, 610035530, 732042636, 844664580, 915053295, 1098063954, 1220071060, 1464085272, 1689329160, 1830106590, 2196127908, 2440142120, 2745159885, 3660213180, 4392255816, 5490319770, 7320426360, 10980639540, 21961279080]

約数ペア:

[(1, 21961279080), (2, 10980639540), (3, 7320426360), (4, 5490319770), (5, 4392255816), (6, 3660213180), (8, 2745159885), (9, 2440142120), (10, 2196127908), (12, 1830106590), (13, 1689329160), (15, 1464085272), (18, 1220071060), (20, 1098063954), (24, 915053295), (26, 844664580), (30, 732042636), (36, 610035530), (39, 563109720), (40, 549031977), (45, 488028424), (52, 422332290), (60, 366021318), (65, 337865832), (72, 305017765), (78, 281554860), (90, 244014212), (104, 211166145), (117, 187703240), (120, 183010659), (130, 168932916), (156, 140777430), (180, 122007106), (195, 112621944), (234, 93851620), (260, 84466458), (312, 70388715), (360, 61003553), (390, 56310972), (468, 46925810), (520, 42233229), (585, 37540648), (691, 31781880), (780, 28155486), (936, 23462905), (1170, 18770324), (1382, 15890940), (1560, 14077743), (2073, 10593960), (2340, 9385162), (2764, 7945470), (3455, 6356376), (4146, 5296980), (4680, 4692581), (5528, 3972735), (6219, 3531320), (6791, 3233880), (6910, 3178188), (8292, 2648490), (8983, 2444760), (10365, 2118792), (12438, 1765660), (13582, 1616940), (13820, 1589094), (16584, 1324245), (17966, 1222380), (20373, 1077960), (20730, 1059396), (24876, 882830), (26949, 814920), (27164, 808470), (27640, 794547), (31095, 706264), (33955, 646776), (35932, 611190), (40746, 538980), (41460, 529698), (44915, 488952), (49752, 441415), (53898, 407460), (54328, 404235), (61119, 359320), (62190, 353132), (67910, 323388), (71864, 305595), (80847, 271640), (81492, 269490), (82920, 264849), (88283, 248760), (89830, 244476), (101865, 215592), (107796, 203730), (122238, 179660), (124380, 176566), (134745, 162984), (135820, 161694)]