15397980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1083

約数の個数: 96

約数和(自身を含む): 48921600

約数和(自身を除く): 33523620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1039, 1140, 1235, 1482, 2078, 2470, 2964, 3117, 3705, 4156, 4940, 5195, 6234, 7410, 10390, 12468, 13507, 14820, 15585, 19741, 20780, 27014, 31170, 39482, 40521, 54028, 59223, 62340, 67535, 78964, 81042, 98705, 118446, 135070, 162084, 197410, 202605, 236892, 256633, 270140, 296115, 394820, 405210, 513266, 592230, 769899, 810420, 1026532, 1184460, 1283165, 1539798, 2566330, 3079596, 3849495, 5132660, 7698990, 15397980]

約数ペア:

[(1, 15397980), (2, 7698990), (3, 5132660), (4, 3849495), (5, 3079596), (6, 2566330), (10, 1539798), (12, 1283165), (13, 1184460), (15, 1026532), (19, 810420), (20, 769899), (26, 592230), (30, 513266), (38, 405210), (39, 394820), (52, 296115), (57, 270140), (60, 256633), (65, 236892), (76, 202605), (78, 197410), (95, 162084), (114, 135070), (130, 118446), (156, 98705), (190, 81042), (195, 78964), (228, 67535), (247, 62340), (260, 59223), (285, 54028), (380, 40521), (390, 39482), (494, 31170), (570, 27014), (741, 20780), (780, 19741), (988, 15585), (1039, 14820), (1140, 13507), (1235, 12468), (1482, 10390), (2078, 7410), (2470, 6234), (2964, 5195), (3117, 4940), (3705, 4156)]