30491790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 89579520

約数和(自身を除く): 59087730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 59, 69, 70, 105, 107, 115, 118, 138, 161, 177, 210, 214, 230, 295, 321, 322, 345, 354, 413, 483, 535, 590, 642, 690, 749, 805, 826, 885, 966, 1070, 1239, 1357, 1498, 1605, 1610, 1770, 2065, 2247, 2415, 2461, 2478, 2714, 3210, 3745, 4071, 4130, 4494, 4830, 4922, 6195, 6313, 6785, 7383, 7490, 8142, 9499, 11235, 12305, 12390, 12626, 13570, 14766, 17227, 18939, 18998, 20355, 22470, 24610, 28497, 31565, 34454, 36915, 37878, 40710, 44191, 47495, 51681, 56994, 63130, 73830, 86135, 88382, 94695, 94990, 103362, 132573, 142485, 145199, 172270, 189390, 220955, 258405, 265146, 284970, 290398, 435597, 441910, 516810, 662865, 725995, 871194, 1016393, 1325730, 1451990, 2032786, 2177985, 3049179, 4355970, 5081965, 6098358, 10163930, 15245895, 30491790]

約数ペア:

[(1, 30491790), (2, 15245895), (3, 10163930), (5, 6098358), (6, 5081965), (7, 4355970), (10, 3049179), (14, 2177985), (15, 2032786), (21, 1451990), (23, 1325730), (30, 1016393), (35, 871194), (42, 725995), (46, 662865), (59, 516810), (69, 441910), (70, 435597), (105, 290398), (107, 284970), (115, 265146), (118, 258405), (138, 220955), (161, 189390), (177, 172270), (210, 145199), (214, 142485), (230, 132573), (295, 103362), (321, 94990), (322, 94695), (345, 88382), (354, 86135), (413, 73830), (483, 63130), (535, 56994), (590, 51681), (642, 47495), (690, 44191), (749, 40710), (805, 37878), (826, 36915), (885, 34454), (966, 31565), (1070, 28497), (1239, 24610), (1357, 22470), (1498, 20355), (1605, 18998), (1610, 18939), (1770, 17227), (2065, 14766), (2247, 13570), (2415, 12626), (2461, 12390), (2478, 12305), (2714, 11235), (3210, 9499), (3745, 8142), (4071, 7490), (4130, 7383), (4494, 6785), (4830, 6313), (4922, 6195)]