12215860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 29998080

約数和(自身を除く): 17782220

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 31, 34, 38, 61, 62, 68, 76, 85, 95, 122, 124, 155, 170, 190, 244, 305, 310, 323, 340, 380, 527, 589, 610, 620, 646, 1037, 1054, 1159, 1178, 1220, 1292, 1615, 1891, 2074, 2108, 2318, 2356, 2635, 2945, 3230, 3782, 4148, 4636, 5185, 5270, 5795, 5890, 6460, 7564, 9455, 10013, 10370, 10540, 11590, 11780, 18910, 19703, 20026, 20740, 23180, 32147, 35929, 37820, 39406, 40052, 50065, 64294, 71858, 78812, 98515, 100130, 128588, 143716, 160735, 179645, 197030, 200260, 321470, 359290, 394060, 610793, 642940, 718580, 1221586, 2443172, 3053965, 6107930, 12215860]

約数ペア:

[(1, 12215860), (2, 6107930), (4, 3053965), (5, 2443172), (10, 1221586), (17, 718580), (19, 642940), (20, 610793), (31, 394060), (34, 359290), (38, 321470), (61, 200260), (62, 197030), (68, 179645), (76, 160735), (85, 143716), (95, 128588), (122, 100130), (124, 98515), (155, 78812), (170, 71858), (190, 64294), (244, 50065), (305, 40052), (310, 39406), (323, 37820), (340, 35929), (380, 32147), (527, 23180), (589, 20740), (610, 20026), (620, 19703), (646, 18910), (1037, 11780), (1054, 11590), (1159, 10540), (1178, 10370), (1220, 10013), (1292, 9455), (1615, 7564), (1891, 6460), (2074, 5890), (2108, 5795), (2318, 5270), (2356, 5185), (2635, 4636), (2945, 4148), (3230, 3782)]