31756140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 106587936

約数和(自身を除く): 74831796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 41, 45, 52, 60, 65, 78, 82, 90, 117, 123, 130, 156, 164, 180, 195, 205, 234, 246, 260, 331, 369, 390, 410, 468, 492, 533, 585, 615, 662, 738, 780, 820, 993, 1066, 1170, 1230, 1324, 1476, 1599, 1655, 1845, 1986, 2132, 2340, 2460, 2665, 2979, 3198, 3310, 3690, 3972, 4303, 4797, 4965, 5330, 5958, 6396, 6620, 7380, 7995, 8606, 9594, 9930, 10660, 11916, 12909, 13571, 14895, 15990, 17212, 19188, 19860, 21515, 23985, 25818, 27142, 29790, 31980, 38727, 40713, 43030, 47970, 51636, 54284, 59580, 64545, 67855, 77454, 81426, 86060, 95940, 122139, 129090, 135710, 154908, 162852, 176423, 193635, 203565, 244278, 258180, 271420, 352846, 387270, 407130, 488556, 529269, 610695, 705692, 774540, 814260, 882115, 1058538, 1221390, 1587807, 1764230, 2117076, 2442780, 2646345, 3175614, 3528460, 5292690, 6351228, 7939035, 10585380, 15878070, 31756140]

約数ペア:

[(1, 31756140), (2, 15878070), (3, 10585380), (4, 7939035), (5, 6351228), (6, 5292690), (9, 3528460), (10, 3175614), (12, 2646345), (13, 2442780), (15, 2117076), (18, 1764230), (20, 1587807), (26, 1221390), (30, 1058538), (36, 882115), (39, 814260), (41, 774540), (45, 705692), (52, 610695), (60, 529269), (65, 488556), (78, 407130), (82, 387270), (90, 352846), (117, 271420), (123, 258180), (130, 244278), (156, 203565), (164, 193635), (180, 176423), (195, 162852), (205, 154908), (234, 135710), (246, 129090), (260, 122139), (331, 95940), (369, 86060), (390, 81426), (410, 77454), (468, 67855), (492, 64545), (533, 59580), (585, 54284), (615, 51636), (662, 47970), (738, 43030), (780, 40713), (820, 38727), (993, 31980), (1066, 29790), (1170, 27142), (1230, 25818), (1324, 23985), (1476, 21515), (1599, 19860), (1655, 19188), (1845, 17212), (1986, 15990), (2132, 14895), (2340, 13571), (2460, 12909), (2665, 11916), (2979, 10660), (3198, 9930), (3310, 9594), (3690, 8606), (3972, 7995), (4303, 7380), (4797, 6620), (4965, 6396), (5330, 5958)]