61493120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:440

約数の個数: 128

約数和(自身を含む): 167076000

約数和(自身を除く): 105582880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 389, 416, 494, 520, 608, 640, 760, 778, 832, 988, 1040, 1216, 1235, 1520, 1556, 1664, 1945, 1976, 2080, 2432, 2470, 3040, 3112, 3890, 3952, 4160, 4940, 5057, 6080, 6224, 7391, 7780, 7904, 8320, 9880, 10114, 12160, 12448, 14782, 15560, 15808, 19760, 20228, 24896, 25285, 29564, 31120, 31616, 36955, 39520, 40456, 49792, 50570, 59128, 62240, 73910, 79040, 80912, 96083, 101140, 118256, 124480, 147820, 158080, 161824, 192166, 202280, 236512, 248960, 295640, 323648, 384332, 404560, 473024, 480415, 591280, 647296, 768664, 809120, 946048, 960830, 1182560, 1537328, 1618240, 1921660, 2365120, 3074656, 3236480, 3843320, 4730240, 6149312, 7686640, 12298624, 15373280, 30746560, 61493120]

約数ペア:

[(1, 61493120), (2, 30746560), (4, 15373280), (5, 12298624), (8, 7686640), (10, 6149312), (13, 4730240), (16, 3843320), (19, 3236480), (20, 3074656), (26, 2365120), (32, 1921660), (38, 1618240), (40, 1537328), (52, 1182560), (64, 960830), (65, 946048), (76, 809120), (80, 768664), (95, 647296), (104, 591280), (128, 480415), (130, 473024), (152, 404560), (160, 384332), (190, 323648), (208, 295640), (247, 248960), (260, 236512), (304, 202280), (320, 192166), (380, 161824), (389, 158080), (416, 147820), (494, 124480), (520, 118256), (608, 101140), (640, 96083), (760, 80912), (778, 79040), (832, 73910), (988, 62240), (1040, 59128), (1216, 50570), (1235, 49792), (1520, 40456), (1556, 39520), (1664, 36955), (1945, 31616), (1976, 31120), (2080, 29564), (2432, 25285), (2470, 24896), (3040, 20228), (3112, 19760), (3890, 15808), (3952, 15560), (4160, 14782), (4940, 12448), (5057, 12160), (6080, 10114), (6224, 9880), (7391, 8320), (7780, 7904)]