28930860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22961}}^1$

素因数の和:22983

約数の個数: 72

約数和(自身を含む): 100298016

約数和(自身を除く): 71367156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22961, 45922, 68883, 91844, 114805, 137766, 160727, 206649, 229610, 275532, 321454, 344415, 413298, 459220, 482181, 642908, 688830, 803635, 826596, 964362, 1033245, 1377660, 1446543, 1607270, 1928724, 2066490, 2410905, 2893086, 3214540, 4132980, 4821810, 5786172, 7232715, 9643620, 14465430, 28930860]

約数ペア:

[(1, 28930860), (2, 14465430), (3, 9643620), (4, 7232715), (5, 5786172), (6, 4821810), (7, 4132980), (9, 3214540), (10, 2893086), (12, 2410905), (14, 2066490), (15, 1928724), (18, 1607270), (20, 1446543), (21, 1377660), (28, 1033245), (30, 964362), (35, 826596), (36, 803635), (42, 688830), (45, 642908), (60, 482181), (63, 459220), (70, 413298), (84, 344415), (90, 321454), (105, 275532), (126, 229610), (140, 206649), (180, 160727), (210, 137766), (252, 114805), (315, 91844), (420, 68883), (630, 45922), (1260, 22961)]