215142120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:276

約数の個数: 192

約数和(自身を含む): 725109840

約数和(自身を除く): 509967720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 97, 101, 120, 122, 180, 183, 194, 202, 244, 291, 303, 305, 360, 366, 388, 404, 485, 488, 505, 549, 582, 606, 610, 732, 776, 808, 873, 909, 915, 970, 1010, 1098, 1164, 1212, 1220, 1455, 1464, 1515, 1746, 1818, 1830, 1940, 2020, 2196, 2328, 2424, 2440, 2745, 2910, 3030, 3492, 3636, 3660, 3880, 4040, 4365, 4392, 4545, 5490, 5820, 5917, 6060, 6161, 6984, 7272, 7320, 8730, 9090, 9797, 10980, 11640, 11834, 12120, 12322, 17460, 17751, 18180, 18483, 19594, 21960, 23668, 24644, 29391, 29585, 30805, 34920, 35502, 36360, 36966, 39188, 47336, 48985, 49288, 53253, 55449, 58782, 59170, 61610, 71004, 73932, 78376, 88173, 88755, 92415, 97970, 106506, 110898, 117564, 118340, 123220, 142008, 146955, 147864, 176346, 177510, 184830, 195940, 213012, 221796, 235128, 236680, 246440, 266265, 277245, 293910, 352692, 355020, 369660, 391880, 426024, 440865, 443592, 532530, 554490, 587820, 597617, 705384, 710040, 739320, 881730, 1065060, 1108980, 1175640, 1195234, 1763460, 1792851, 2130120, 2217960, 2390468, 2988085, 3526920, 3585702, 4780936, 5378553, 5976170, 7171404, 8964255, 10757106, 11952340, 14342808, 17928510, 21514212, 23904680, 26892765, 35857020, 43028424, 53785530, 71714040, 107571060, 215142120]

約数ペア:

[(1, 215142120), (2, 107571060), (3, 71714040), (4, 53785530), (5, 43028424), (6, 35857020), (8, 26892765), (9, 23904680), (10, 21514212), (12, 17928510), (15, 14342808), (18, 11952340), (20, 10757106), (24, 8964255), (30, 7171404), (36, 5976170), (40, 5378553), (45, 4780936), (60, 3585702), (61, 3526920), (72, 2988085), (90, 2390468), (97, 2217960), (101, 2130120), (120, 1792851), (122, 1763460), (180, 1195234), (183, 1175640), (194, 1108980), (202, 1065060), (244, 881730), (291, 739320), (303, 710040), (305, 705384), (360, 597617), (366, 587820), (388, 554490), (404, 532530), (485, 443592), (488, 440865), (505, 426024), (549, 391880), (582, 369660), (606, 355020), (610, 352692), (732, 293910), (776, 277245), (808, 266265), (873, 246440), (909, 236680), (915, 235128), (970, 221796), (1010, 213012), (1098, 195940), (1164, 184830), (1212, 177510), (1220, 176346), (1455, 147864), (1464, 146955), (1515, 142008), (1746, 123220), (1818, 118340), (1830, 117564), (1940, 110898), (2020, 106506), (2196, 97970), (2328, 92415), (2424, 88755), (2440, 88173), (2745, 78376), (2910, 73932), (3030, 71004), (3492, 61610), (3636, 59170), (3660, 58782), (3880, 55449), (4040, 53253), (4365, 49288), (4392, 48985), (4545, 47336), (5490, 39188), (5820, 36966), (5917, 36360), (6060, 35502), (6161, 34920), (6984, 30805), (7272, 29585), (7320, 29391), (8730, 24644), (9090, 23668), (9797, 21960), (10980, 19594), (11640, 18483), (11834, 18180), (12120, 17751), (12322, 17460)]