221366880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21961}}^1$

素因数の和:21989

約数の個数: 144

約数和(自身を含む): 863370144

約数和(自身を除く): 642003264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21961, 43922, 65883, 87844, 109805, 131766, 153727, 175688, 197649, 219610, 263532, 307454, 329415, 351376, 395298, 439220, 461181, 527064, 614908, 658830, 702752, 768635, 790596, 878440, 922362, 988245, 1054128, 1229816, 1317660, 1383543, 1537270, 1581192, 1756880, 1844724, 1976490, 2108256, 2305905, 2459632, 2635320, 2767086, 3074540, 3162384, 3513760, 3689448, 3952980, 4611810, 4919264, 5270640, 5534172, 6149080, 6324768, 6917715, 7378896, 7905960, 9223620, 10541280, 11068344, 12298160, 13835430, 14757792, 15811920, 18447240, 22136688, 24596320, 27670860, 31623840, 36894480, 44273376, 55341720, 73788960, 110683440, 221366880]

約数ペア:

[(1, 221366880), (2, 110683440), (3, 73788960), (4, 55341720), (5, 44273376), (6, 36894480), (7, 31623840), (8, 27670860), (9, 24596320), (10, 22136688), (12, 18447240), (14, 15811920), (15, 14757792), (16, 13835430), (18, 12298160), (20, 11068344), (21, 10541280), (24, 9223620), (28, 7905960), (30, 7378896), (32, 6917715), (35, 6324768), (36, 6149080), (40, 5534172), (42, 5270640), (45, 4919264), (48, 4611810), (56, 3952980), (60, 3689448), (63, 3513760), (70, 3162384), (72, 3074540), (80, 2767086), (84, 2635320), (90, 2459632), (96, 2305905), (105, 2108256), (112, 1976490), (120, 1844724), (126, 1756880), (140, 1581192), (144, 1537270), (160, 1383543), (168, 1317660), (180, 1229816), (210, 1054128), (224, 988245), (240, 922362), (252, 878440), (280, 790596), (288, 768635), (315, 702752), (336, 658830), (360, 614908), (420, 527064), (480, 461181), (504, 439220), (560, 395298), (630, 351376), (672, 329415), (720, 307454), (840, 263532), (1008, 219610), (1120, 197649), (1260, 175688), (1440, 153727), (1680, 131766), (2016, 109805), (2520, 87844), (3360, 65883), (5040, 43922), (10080, 21961)]