28545660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1148

約数の個数: 144

約数和(自身を含む): 101818080

約数和(自身を除く): 73272420

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, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1109, 1170, 1287, 1430, 1716, 1980, 2145, 2218, 2340, 2574, 2860, 3327, 4290, 4436, 5148, 5545, 6435, 6654, 8580, 9981, 11090, 12199, 12870, 13308, 14417, 16635, 19962, 22180, 24398, 25740, 28834, 33270, 36597, 39924, 43251, 48796, 49905, 57668, 60995, 66540, 72085, 73194, 86502, 99810, 109791, 121990, 129753, 144170, 146388, 158587, 173004, 182985, 199620, 216255, 219582, 243980, 259506, 288340, 317174, 365970, 432510, 439164, 475761, 519012, 548955, 634348, 648765, 731940, 792935, 865020, 951522, 1097910, 1297530, 1427283, 1585870, 1903044, 2195820, 2378805, 2595060, 2854566, 3171740, 4757610, 5709132, 7136415, 9515220, 14272830, 28545660]

約数ペア:

[(1, 28545660), (2, 14272830), (3, 9515220), (4, 7136415), (5, 5709132), (6, 4757610), (9, 3171740), (10, 2854566), (11, 2595060), (12, 2378805), (13, 2195820), (15, 1903044), (18, 1585870), (20, 1427283), (22, 1297530), (26, 1097910), (30, 951522), (33, 865020), (36, 792935), (39, 731940), (44, 648765), (45, 634348), (52, 548955), (55, 519012), (60, 475761), (65, 439164), (66, 432510), (78, 365970), (90, 317174), (99, 288340), (110, 259506), (117, 243980), (130, 219582), (132, 216255), (143, 199620), (156, 182985), (165, 173004), (180, 158587), (195, 146388), (198, 144170), (220, 129753), (234, 121990), (260, 109791), (286, 99810), (330, 86502), (390, 73194), (396, 72085), (429, 66540), (468, 60995), (495, 57668), (572, 49905), (585, 48796), (660, 43251), (715, 39924), (780, 36597), (858, 33270), (990, 28834), (1109, 25740), (1170, 24398), (1287, 22180), (1430, 19962), (1716, 16635), (1980, 14417), (2145, 13308), (2218, 12870), (2340, 12199), (2574, 11090), (2860, 9981), (3327, 8580), (4290, 6654), (4436, 6435), (5148, 5545)]