77641980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 192

約数和(自身を含む): 255897600

約数和(自身を除く): 178255620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 31, 38, 39, 52, 57, 60, 62, 65, 76, 78, 93, 95, 114, 124, 130, 155, 156, 169, 186, 190, 195, 228, 247, 260, 285, 310, 338, 372, 380, 390, 403, 465, 494, 507, 570, 589, 620, 676, 741, 780, 806, 845, 930, 988, 1014, 1140, 1178, 1209, 1235, 1482, 1612, 1690, 1767, 1860, 2015, 2028, 2197, 2356, 2418, 2470, 2535, 2945, 2964, 3211, 3380, 3534, 3705, 4030, 4394, 4836, 4940, 5070, 5239, 5890, 6045, 6422, 6591, 7068, 7410, 7657, 8060, 8788, 8835, 9633, 10140, 10478, 10985, 11780, 12090, 12844, 13182, 14820, 15314, 15717, 16055, 17670, 19266, 20956, 21970, 22971, 24180, 26195, 26364, 30628, 31434, 32110, 32955, 35340, 38285, 38532, 41743, 43940, 45942, 48165, 52390, 62868, 64220, 65910, 68107, 76570, 78585, 83486, 91884, 96330, 99541, 104780, 114855, 125229, 131820, 136214, 153140, 157170, 166972, 192660, 199082, 204321, 208715, 229710, 250458, 272428, 298623, 314340, 340535, 398164, 408642, 417430, 459420, 497705, 500916, 597246, 626145, 681070, 817284, 834860, 995410, 1021605, 1194492, 1252290, 1294033, 1362140, 1493115, 1990820, 2043210, 2504580, 2588066, 2986230, 3882099, 4086420, 5176132, 5972460, 6470165, 7764198, 12940330, 15528396, 19410495, 25880660, 38820990, 77641980]

約数ペア:

[(1, 77641980), (2, 38820990), (3, 25880660), (4, 19410495), (5, 15528396), (6, 12940330), (10, 7764198), (12, 6470165), (13, 5972460), (15, 5176132), (19, 4086420), (20, 3882099), (26, 2986230), (30, 2588066), (31, 2504580), (38, 2043210), (39, 1990820), (52, 1493115), (57, 1362140), (60, 1294033), (62, 1252290), (65, 1194492), (76, 1021605), (78, 995410), (93, 834860), (95, 817284), (114, 681070), (124, 626145), (130, 597246), (155, 500916), (156, 497705), (169, 459420), (186, 417430), (190, 408642), (195, 398164), (228, 340535), (247, 314340), (260, 298623), (285, 272428), (310, 250458), (338, 229710), (372, 208715), (380, 204321), (390, 199082), (403, 192660), (465, 166972), (494, 157170), (507, 153140), (570, 136214), (589, 131820), (620, 125229), (676, 114855), (741, 104780), (780, 99541), (806, 96330), (845, 91884), (930, 83486), (988, 78585), (1014, 76570), (1140, 68107), (1178, 65910), (1209, 64220), (1235, 62868), (1482, 52390), (1612, 48165), (1690, 45942), (1767, 43940), (1860, 41743), (2015, 38532), (2028, 38285), (2197, 35340), (2356, 32955), (2418, 32110), (2470, 31434), (2535, 30628), (2945, 26364), (2964, 26195), (3211, 24180), (3380, 22971), (3534, 21970), (3705, 20956), (4030, 19266), (4394, 17670), (4836, 16055), (4940, 15717), (5070, 15314), (5239, 14820), (5890, 13182), (6045, 12844), (6422, 12090), (6591, 11780), (7068, 10985), (7410, 10478), (7657, 10140), (8060, 9633), (8788, 8835)]