2651220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 9539712

約数和(自身を除く): 6888492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 103, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 206, 220, 234, 260, 286, 309, 330, 390, 396, 412, 429, 468, 495, 515, 572, 585, 618, 660, 715, 780, 858, 927, 990, 1030, 1133, 1170, 1236, 1287, 1339, 1430, 1545, 1716, 1854, 1980, 2060, 2145, 2266, 2340, 2574, 2678, 2860, 3090, 3399, 3708, 4017, 4290, 4532, 4635, 5148, 5356, 5665, 6180, 6435, 6695, 6798, 8034, 8580, 9270, 10197, 11330, 12051, 12870, 13390, 13596, 14729, 16068, 16995, 18540, 20085, 20394, 22660, 24102, 25740, 26780, 29458, 33990, 40170, 40788, 44187, 48204, 50985, 58916, 60255, 67980, 73645, 80340, 88374, 101970, 120510, 132561, 147290, 176748, 203940, 220935, 241020, 265122, 294580, 441870, 530244, 662805, 883740, 1325610, 2651220]

約数ペア:

[(1, 2651220), (2, 1325610), (3, 883740), (4, 662805), (5, 530244), (6, 441870), (9, 294580), (10, 265122), (11, 241020), (12, 220935), (13, 203940), (15, 176748), (18, 147290), (20, 132561), (22, 120510), (26, 101970), (30, 88374), (33, 80340), (36, 73645), (39, 67980), (44, 60255), (45, 58916), (52, 50985), (55, 48204), (60, 44187), (65, 40788), (66, 40170), (78, 33990), (90, 29458), (99, 26780), (103, 25740), (110, 24102), (117, 22660), (130, 20394), (132, 20085), (143, 18540), (156, 16995), (165, 16068), (180, 14729), (195, 13596), (198, 13390), (206, 12870), (220, 12051), (234, 11330), (260, 10197), (286, 9270), (309, 8580), (330, 8034), (390, 6798), (396, 6695), (412, 6435), (429, 6180), (468, 5665), (495, 5356), (515, 5148), (572, 4635), (585, 4532), (618, 4290), (660, 4017), (715, 3708), (780, 3399), (858, 3090), (927, 2860), (990, 2678), (1030, 2574), (1133, 2340), (1170, 2266), (1236, 2145), (1287, 2060), (1339, 1980), (1430, 1854), (1545, 1716)]