30490740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{3457}}^1$

素因数の和:3486

約数の個数: 108

約数和(自身を含む): 107619876

約数和(自身を除く): 77129136

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 3457, 4410, 6914, 8820, 10371, 13828, 17285, 20742, 24199, 31113, 34570, 41484, 48398, 51855, 62226, 69140, 72597, 96796, 103710, 120995, 124452, 145194, 155565, 169393, 207420, 217791, 241990, 290388, 311130, 338786, 362985, 435582, 483980, 508179, 622260, 677572, 725970, 846965, 871164, 1016358, 1088955, 1451940, 1524537, 1693930, 2032716, 2177910, 2540895, 3049074, 3387860, 4355820, 5081790, 6098148, 7622685, 10163580, 15245370, 30490740]

約数ペア:

[(1, 30490740), (2, 15245370), (3, 10163580), (4, 7622685), (5, 6098148), (6, 5081790), (7, 4355820), (9, 3387860), (10, 3049074), (12, 2540895), (14, 2177910), (15, 2032716), (18, 1693930), (20, 1524537), (21, 1451940), (28, 1088955), (30, 1016358), (35, 871164), (36, 846965), (42, 725970), (45, 677572), (49, 622260), (60, 508179), (63, 483980), (70, 435582), (84, 362985), (90, 338786), (98, 311130), (105, 290388), (126, 241990), (140, 217791), (147, 207420), (180, 169393), (196, 155565), (210, 145194), (245, 124452), (252, 120995), (294, 103710), (315, 96796), (420, 72597), (441, 69140), (490, 62226), (588, 51855), (630, 48398), (735, 41484), (882, 34570), (980, 31113), (1260, 24199), (1470, 20742), (1764, 17285), (2205, 13828), (2940, 10371), (3457, 8820), (4410, 6914)]