15643740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 54123552

約数和(自身を除く): 38479812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 313, 340, 357, 420, 476, 490, 510, 588, 595, 626, 714, 735, 833, 939, 980, 1020, 1190, 1252, 1428, 1470, 1565, 1666, 1785, 1878, 2191, 2380, 2499, 2940, 3130, 3332, 3570, 3756, 4165, 4382, 4695, 4998, 5321, 6260, 6573, 7140, 8330, 8764, 9390, 9996, 10642, 10955, 12495, 13146, 15337, 15963, 16660, 18780, 21284, 21910, 24990, 26292, 26605, 30674, 31926, 32865, 37247, 43820, 46011, 49980, 53210, 61348, 63852, 65730, 74494, 76685, 79815, 92022, 106420, 111741, 131460, 148988, 153370, 159630, 184044, 186235, 223482, 230055, 260729, 306740, 319260, 372470, 446964, 460110, 521458, 558705, 744940, 782187, 920220, 1042916, 1117410, 1303645, 1564374, 2234820, 2607290, 3128748, 3910935, 5214580, 7821870, 15643740]

約数ペア:

[(1, 15643740), (2, 7821870), (3, 5214580), (4, 3910935), (5, 3128748), (6, 2607290), (7, 2234820), (10, 1564374), (12, 1303645), (14, 1117410), (15, 1042916), (17, 920220), (20, 782187), (21, 744940), (28, 558705), (30, 521458), (34, 460110), (35, 446964), (42, 372470), (49, 319260), (51, 306740), (60, 260729), (68, 230055), (70, 223482), (84, 186235), (85, 184044), (98, 159630), (102, 153370), (105, 148988), (119, 131460), (140, 111741), (147, 106420), (170, 92022), (196, 79815), (204, 76685), (210, 74494), (238, 65730), (245, 63852), (255, 61348), (294, 53210), (313, 49980), (340, 46011), (357, 43820), (420, 37247), (476, 32865), (490, 31926), (510, 30674), (588, 26605), (595, 26292), (626, 24990), (714, 21910), (735, 21284), (833, 18780), (939, 16660), (980, 15963), (1020, 15337), (1190, 13146), (1252, 12495), (1428, 10955), (1470, 10642), (1565, 9996), (1666, 9390), (1785, 8764), (1878, 8330), (2191, 7140), (2380, 6573), (2499, 6260), (2940, 5321), (3130, 4998), (3332, 4695), (3570, 4382), (3756, 4165)]