81197610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:408

約数の個数: 128

約数和(自身を含む): 228904704

約数和(自身を除く): 147707094

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 37, 39, 51, 65, 74, 78, 85, 102, 111, 130, 170, 185, 195, 221, 222, 255, 331, 370, 390, 442, 481, 510, 555, 629, 662, 663, 962, 993, 1105, 1110, 1258, 1326, 1443, 1655, 1887, 1986, 2210, 2405, 2886, 3145, 3310, 3315, 3774, 4303, 4810, 4965, 5627, 6290, 6630, 7215, 8177, 8606, 9435, 9930, 11254, 12247, 12909, 14430, 16354, 16881, 18870, 21515, 24494, 24531, 25818, 28135, 33762, 36741, 40885, 43030, 49062, 56270, 61235, 64545, 73151, 73482, 81770, 84405, 122470, 122655, 129090, 146302, 159211, 168810, 183705, 208199, 219453, 245310, 318422, 365755, 367410, 416398, 438906, 477633, 624597, 731510, 796055, 955266, 1040995, 1097265, 1249194, 1592110, 2081990, 2194530, 2388165, 2706587, 3122985, 4776330, 5413174, 6245970, 8119761, 13532935, 16239522, 27065870, 40598805, 81197610]

約数ペア:

[(1, 81197610), (2, 40598805), (3, 27065870), (5, 16239522), (6, 13532935), (10, 8119761), (13, 6245970), (15, 5413174), (17, 4776330), (26, 3122985), (30, 2706587), (34, 2388165), (37, 2194530), (39, 2081990), (51, 1592110), (65, 1249194), (74, 1097265), (78, 1040995), (85, 955266), (102, 796055), (111, 731510), (130, 624597), (170, 477633), (185, 438906), (195, 416398), (221, 367410), (222, 365755), (255, 318422), (331, 245310), (370, 219453), (390, 208199), (442, 183705), (481, 168810), (510, 159211), (555, 146302), (629, 129090), (662, 122655), (663, 122470), (962, 84405), (993, 81770), (1105, 73482), (1110, 73151), (1258, 64545), (1326, 61235), (1443, 56270), (1655, 49062), (1887, 43030), (1986, 40885), (2210, 36741), (2405, 33762), (2886, 28135), (3145, 25818), (3310, 24531), (3315, 24494), (3774, 21515), (4303, 18870), (4810, 16881), (4965, 16354), (5627, 14430), (6290, 12909), (6630, 12247), (7215, 11254), (8177, 9930), (8606, 9435)]