73778940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 237758976

約数和(自身を除く): 163980036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 71, 90, 92, 115, 138, 142, 180, 207, 213, 230, 251, 276, 284, 345, 355, 414, 426, 460, 502, 639, 690, 710, 753, 828, 852, 1004, 1035, 1065, 1255, 1278, 1380, 1420, 1506, 1633, 2070, 2130, 2259, 2510, 2556, 3012, 3195, 3266, 3765, 4140, 4260, 4518, 4899, 5020, 5773, 6390, 6532, 7530, 8165, 9036, 9798, 11295, 11546, 12780, 14697, 15060, 16330, 17319, 17821, 19596, 22590, 23092, 24495, 28865, 29394, 32660, 34638, 35642, 45180, 48990, 51957, 53463, 57730, 58788, 69276, 71284, 73485, 86595, 89105, 97980, 103914, 106926, 115460, 146970, 160389, 173190, 178210, 207828, 213852, 259785, 267315, 293940, 320778, 346380, 356420, 409883, 519570, 534630, 641556, 801945, 819766, 1039140, 1069260, 1229649, 1603890, 1639532, 2049415, 2459298, 3207780, 3688947, 4098830, 4918596, 6148245, 7377894, 8197660, 12296490, 14755788, 18444735, 24592980, 36889470, 73778940]

約数ペア:

[(1, 73778940), (2, 36889470), (3, 24592980), (4, 18444735), (5, 14755788), (6, 12296490), (9, 8197660), (10, 7377894), (12, 6148245), (15, 4918596), (18, 4098830), (20, 3688947), (23, 3207780), (30, 2459298), (36, 2049415), (45, 1639532), (46, 1603890), (60, 1229649), (69, 1069260), (71, 1039140), (90, 819766), (92, 801945), (115, 641556), (138, 534630), (142, 519570), (180, 409883), (207, 356420), (213, 346380), (230, 320778), (251, 293940), (276, 267315), (284, 259785), (345, 213852), (355, 207828), (414, 178210), (426, 173190), (460, 160389), (502, 146970), (639, 115460), (690, 106926), (710, 103914), (753, 97980), (828, 89105), (852, 86595), (1004, 73485), (1035, 71284), (1065, 69276), (1255, 58788), (1278, 57730), (1380, 53463), (1420, 51957), (1506, 48990), (1633, 45180), (2070, 35642), (2130, 34638), (2259, 32660), (2510, 29394), (2556, 28865), (3012, 24495), (3195, 23092), (3266, 22590), (3765, 19596), (4140, 17821), (4260, 17319), (4518, 16330), (4899, 15060), (5020, 14697), (5773, 12780), (6390, 11546), (6532, 11295), (7530, 9798), (8165, 9036)]