1290809940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{6553}}^1$

素因数の和:6646

約数の個数: 144

約数和(自身を含む): 4267755072

約数和(自身を除く): 2976945132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 67, 70, 84, 98, 105, 134, 140, 147, 196, 201, 210, 245, 268, 294, 335, 402, 420, 469, 490, 588, 670, 735, 804, 938, 980, 1005, 1340, 1407, 1470, 1876, 2010, 2345, 2814, 2940, 3283, 4020, 4690, 5628, 6553, 6566, 7035, 9380, 9849, 13106, 13132, 14070, 16415, 19659, 19698, 26212, 28140, 32765, 32830, 39318, 39396, 45871, 49245, 65530, 65660, 78636, 91742, 98295, 98490, 131060, 137613, 183484, 196590, 196980, 229355, 275226, 321097, 393180, 439051, 458710, 550452, 642194, 688065, 878102, 917420, 963291, 1284388, 1317153, 1376130, 1605485, 1756204, 1926582, 2195255, 2634306, 2752260, 3073357, 3210970, 3853164, 4390510, 4816455, 5268612, 6146714, 6421940, 6585765, 8781020, 9220071, 9632910, 12293428, 13171530, 15366785, 18440142, 19265820, 21513499, 26343060, 30733570, 36880284, 43026998, 46100355, 61467140, 64540497, 86053996, 92200710, 107567495, 129080994, 184401420, 215134990, 258161988, 322702485, 430269980, 645404970, 1290809940]

約数ペア:

[(1, 1290809940), (2, 645404970), (3, 430269980), (4, 322702485), (5, 258161988), (6, 215134990), (7, 184401420), (10, 129080994), (12, 107567495), (14, 92200710), (15, 86053996), (20, 64540497), (21, 61467140), (28, 46100355), (30, 43026998), (35, 36880284), (42, 30733570), (49, 26343060), (60, 21513499), (67, 19265820), (70, 18440142), (84, 15366785), (98, 13171530), (105, 12293428), (134, 9632910), (140, 9220071), (147, 8781020), (196, 6585765), (201, 6421940), (210, 6146714), (245, 5268612), (268, 4816455), (294, 4390510), (335, 3853164), (402, 3210970), (420, 3073357), (469, 2752260), (490, 2634306), (588, 2195255), (670, 1926582), (735, 1756204), (804, 1605485), (938, 1376130), (980, 1317153), (1005, 1284388), (1340, 963291), (1407, 917420), (1470, 878102), (1876, 688065), (2010, 642194), (2345, 550452), (2814, 458710), (2940, 439051), (3283, 393180), (4020, 321097), (4690, 275226), (5628, 229355), (6553, 196980), (6566, 196590), (7035, 183484), (9380, 137613), (9849, 131060), (13106, 98490), (13132, 98295), (14070, 91742), (16415, 78636), (19659, 65660), (19698, 65530), (26212, 49245), (28140, 45871), (32765, 39396), (32830, 39318)]