15487920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{439}}^1$

素因数の和:472

約数の個数: 180

約数和(自身を含む): 60643440

約数和(自身を除く): 45155520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 439, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 878, 882, 980, 1008, 1176, 1260, 1317, 1470, 1680, 1756, 1764, 1960, 2195, 2205, 2352, 2520, 2634, 2940, 3073, 3512, 3528, 3920, 3951, 4390, 4410, 5040, 5268, 5880, 6146, 6585, 7024, 7056, 7902, 8780, 8820, 9219, 10536, 11760, 12292, 13170, 15365, 15804, 17560, 17640, 18438, 19755, 21072, 21511, 24584, 26340, 27657, 30730, 31608, 35120, 35280, 36876, 39510, 43022, 46095, 49168, 52680, 55314, 61460, 63216, 64533, 73752, 79020, 86044, 92190, 105360, 107555, 110628, 122920, 129066, 138285, 147504, 158040, 172088, 184380, 193599, 215110, 221256, 245840, 258132, 276570, 316080, 322665, 344176, 368760, 387198, 430220, 442512, 516264, 553140, 645330, 737520, 774396, 860440, 967995, 1032528, 1106280, 1290660, 1548792, 1720880, 1935990, 2212560, 2581320, 3097584, 3871980, 5162640, 7743960, 15487920]

約数ペア:

[(1, 15487920), (2, 7743960), (3, 5162640), (4, 3871980), (5, 3097584), (6, 2581320), (7, 2212560), (8, 1935990), (9, 1720880), (10, 1548792), (12, 1290660), (14, 1106280), (15, 1032528), (16, 967995), (18, 860440), (20, 774396), (21, 737520), (24, 645330), (28, 553140), (30, 516264), (35, 442512), (36, 430220), (40, 387198), (42, 368760), (45, 344176), (48, 322665), (49, 316080), (56, 276570), (60, 258132), (63, 245840), (70, 221256), (72, 215110), (80, 193599), (84, 184380), (90, 172088), (98, 158040), (105, 147504), (112, 138285), (120, 129066), (126, 122920), (140, 110628), (144, 107555), (147, 105360), (168, 92190), (180, 86044), (196, 79020), (210, 73752), (240, 64533), (245, 63216), (252, 61460), (280, 55314), (294, 52680), (315, 49168), (336, 46095), (360, 43022), (392, 39510), (420, 36876), (439, 35280), (441, 35120), (490, 31608), (504, 30730), (560, 27657), (588, 26340), (630, 24584), (720, 21511), (735, 21072), (784, 19755), (840, 18438), (878, 17640), (882, 17560), (980, 15804), (1008, 15365), (1176, 13170), (1260, 12292), (1317, 11760), (1470, 10536), (1680, 9219), (1756, 8820), (1764, 8780), (1960, 7902), (2195, 7056), (2205, 7024), (2352, 6585), (2520, 6146), (2634, 5880), (2940, 5268), (3073, 5040), (3512, 4410), (3528, 4390), (3920, 3951)]