30471820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 73483200

約数和(自身を除く): 43011380

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 53, 68, 76, 85, 89, 95, 106, 170, 178, 190, 212, 265, 323, 340, 356, 380, 445, 530, 646, 890, 901, 1007, 1060, 1292, 1513, 1615, 1691, 1780, 1802, 2014, 3026, 3230, 3382, 3604, 4028, 4505, 4717, 5035, 6052, 6460, 6764, 7565, 8455, 9010, 9434, 10070, 15130, 16910, 17119, 18020, 18868, 20140, 23585, 28747, 30260, 33820, 34238, 47170, 57494, 68476, 80189, 85595, 89623, 94340, 114988, 143735, 160378, 171190, 179246, 287470, 320756, 342380, 358492, 400945, 448115, 574940, 801890, 896230, 1523591, 1603780, 1792460, 3047182, 6094364, 7617955, 15235910, 30471820]

約数ペア:

[(1, 30471820), (2, 15235910), (4, 7617955), (5, 6094364), (10, 3047182), (17, 1792460), (19, 1603780), (20, 1523591), (34, 896230), (38, 801890), (53, 574940), (68, 448115), (76, 400945), (85, 358492), (89, 342380), (95, 320756), (106, 287470), (170, 179246), (178, 171190), (190, 160378), (212, 143735), (265, 114988), (323, 94340), (340, 89623), (356, 85595), (380, 80189), (445, 68476), (530, 57494), (646, 47170), (890, 34238), (901, 33820), (1007, 30260), (1060, 28747), (1292, 23585), (1513, 20140), (1615, 18868), (1691, 18020), (1780, 17119), (1802, 16910), (2014, 15130), (3026, 10070), (3230, 9434), (3382, 9010), (3604, 8455), (4028, 7565), (4505, 6764), (4717, 6460), (5035, 6052)]