30404940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 90720000

約数和(自身を除く): 60315060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 149, 179, 190, 228, 285, 298, 358, 380, 447, 537, 570, 596, 716, 745, 894, 895, 1074, 1140, 1490, 1788, 1790, 2148, 2235, 2685, 2831, 2980, 3401, 3580, 4470, 5370, 5662, 6802, 8493, 8940, 10203, 10740, 11324, 13604, 14155, 16986, 17005, 20406, 26671, 28310, 33972, 34010, 40812, 42465, 51015, 53342, 56620, 68020, 80013, 84930, 102030, 106684, 133355, 160026, 169860, 204060, 266710, 320052, 400065, 506749, 533420, 800130, 1013498, 1520247, 1600260, 2026996, 2533745, 3040494, 5067490, 6080988, 7601235, 10134980, 15202470, 30404940]

約数ペア:

[(1, 30404940), (2, 15202470), (3, 10134980), (4, 7601235), (5, 6080988), (6, 5067490), (10, 3040494), (12, 2533745), (15, 2026996), (19, 1600260), (20, 1520247), (30, 1013498), (38, 800130), (57, 533420), (60, 506749), (76, 400065), (95, 320052), (114, 266710), (149, 204060), (179, 169860), (190, 160026), (228, 133355), (285, 106684), (298, 102030), (358, 84930), (380, 80013), (447, 68020), (537, 56620), (570, 53342), (596, 51015), (716, 42465), (745, 40812), (894, 34010), (895, 33972), (1074, 28310), (1140, 26671), (1490, 20406), (1788, 17005), (1790, 16986), (2148, 14155), (2235, 13604), (2685, 11324), (2831, 10740), (2980, 10203), (3401, 8940), (3580, 8493), (4470, 6802), (5370, 5662)]