28427220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:942

約数の個数: 96

約数和(自身を含む): 89994240

約数和(自身を除く): 61567020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 90, 108, 122, 135, 180, 183, 244, 270, 305, 366, 540, 549, 610, 732, 863, 915, 1098, 1220, 1647, 1726, 1830, 2196, 2589, 2745, 3294, 3452, 3660, 4315, 5178, 5490, 6588, 7767, 8235, 8630, 10356, 10980, 12945, 15534, 16470, 17260, 23301, 25890, 31068, 32940, 38835, 46602, 51780, 52643, 77670, 93204, 105286, 116505, 155340, 157929, 210572, 233010, 263215, 315858, 466020, 473787, 526430, 631716, 789645, 947574, 1052860, 1421361, 1579290, 1895148, 2368935, 2842722, 3158580, 4737870, 5685444, 7106805, 9475740, 14213610, 28427220]

約数ペア:

[(1, 28427220), (2, 14213610), (3, 9475740), (4, 7106805), (5, 5685444), (6, 4737870), (9, 3158580), (10, 2842722), (12, 2368935), (15, 1895148), (18, 1579290), (20, 1421361), (27, 1052860), (30, 947574), (36, 789645), (45, 631716), (54, 526430), (60, 473787), (61, 466020), (90, 315858), (108, 263215), (122, 233010), (135, 210572), (180, 157929), (183, 155340), (244, 116505), (270, 105286), (305, 93204), (366, 77670), (540, 52643), (549, 51780), (610, 46602), (732, 38835), (863, 32940), (915, 31068), (1098, 25890), (1220, 23301), (1647, 17260), (1726, 16470), (1830, 15534), (2196, 12945), (2589, 10980), (2745, 10356), (3294, 8630), (3452, 8235), (3660, 7767), (4315, 6588), (5178, 5490)]