90799720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 241056000

約数和(自身を除く): 150256280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 61, 68, 85, 88, 110, 122, 136, 170, 187, 199, 220, 244, 305, 340, 374, 398, 440, 488, 610, 671, 680, 748, 796, 935, 995, 1037, 1220, 1342, 1496, 1592, 1870, 1990, 2074, 2189, 2440, 2684, 3355, 3383, 3740, 3980, 4148, 4378, 5185, 5368, 6710, 6766, 7480, 7960, 8296, 8756, 10370, 10945, 11407, 12139, 13420, 13532, 16915, 17512, 20740, 21890, 22814, 24278, 26840, 27064, 33830, 37213, 41480, 43780, 45628, 48556, 57035, 60695, 67660, 74426, 87560, 91256, 97112, 114070, 121390, 133529, 135320, 148852, 186065, 206363, 228140, 242780, 267058, 297704, 372130, 412726, 456280, 485560, 534116, 667645, 744260, 825452, 1031815, 1068232, 1335290, 1488520, 1650904, 2063630, 2269993, 2670580, 4127260, 4539986, 5341160, 8254520, 9079972, 11349965, 18159944, 22699930, 45399860, 90799720]

約数ペア:

[(1, 90799720), (2, 45399860), (4, 22699930), (5, 18159944), (8, 11349965), (10, 9079972), (11, 8254520), (17, 5341160), (20, 4539986), (22, 4127260), (34, 2670580), (40, 2269993), (44, 2063630), (55, 1650904), (61, 1488520), (68, 1335290), (85, 1068232), (88, 1031815), (110, 825452), (122, 744260), (136, 667645), (170, 534116), (187, 485560), (199, 456280), (220, 412726), (244, 372130), (305, 297704), (340, 267058), (374, 242780), (398, 228140), (440, 206363), (488, 186065), (610, 148852), (671, 135320), (680, 133529), (748, 121390), (796, 114070), (935, 97112), (995, 91256), (1037, 87560), (1220, 74426), (1342, 67660), (1496, 60695), (1592, 57035), (1870, 48556), (1990, 45628), (2074, 43780), (2189, 41480), (2440, 37213), (2684, 33830), (3355, 27064), (3383, 26840), (3740, 24278), (3980, 22814), (4148, 21890), (4378, 20740), (5185, 17512), (5368, 16915), (6710, 13532), (6766, 13420), (7480, 12139), (7960, 11407), (8296, 10945), (8756, 10370)]