72788560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 202487040

約数和(自身を除く): 129698480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 23, 26, 34, 40, 46, 52, 65, 68, 80, 85, 92, 104, 115, 130, 136, 170, 179, 184, 208, 221, 230, 260, 272, 299, 340, 358, 368, 391, 442, 460, 520, 598, 680, 716, 782, 884, 895, 920, 1040, 1105, 1196, 1360, 1432, 1495, 1564, 1768, 1790, 1840, 1955, 2210, 2327, 2392, 2864, 2990, 3043, 3128, 3536, 3580, 3910, 4117, 4420, 4654, 4784, 5083, 5980, 6086, 6256, 7160, 7820, 8234, 8840, 9308, 10166, 11635, 11960, 12172, 14320, 15215, 15640, 16468, 17680, 18616, 20332, 20585, 23270, 23920, 24344, 25415, 30430, 31280, 32936, 37232, 39559, 40664, 41170, 46540, 48688, 50830, 53521, 60860, 65872, 69989, 79118, 81328, 82340, 93080, 101660, 107042, 121720, 139978, 158236, 164680, 186160, 197795, 203320, 214084, 243440, 267605, 279956, 316472, 329360, 349945, 395590, 406640, 428168, 535210, 559912, 632944, 699890, 791180, 856336, 909857, 1070420, 1119824, 1399780, 1582360, 1819714, 2140840, 2799560, 3164720, 3639428, 4281680, 4549285, 5599120, 7278856, 9098570, 14557712, 18197140, 36394280, 72788560]

約数ペア:

[(1, 72788560), (2, 36394280), (4, 18197140), (5, 14557712), (8, 9098570), (10, 7278856), (13, 5599120), (16, 4549285), (17, 4281680), (20, 3639428), (23, 3164720), (26, 2799560), (34, 2140840), (40, 1819714), (46, 1582360), (52, 1399780), (65, 1119824), (68, 1070420), (80, 909857), (85, 856336), (92, 791180), (104, 699890), (115, 632944), (130, 559912), (136, 535210), (170, 428168), (179, 406640), (184, 395590), (208, 349945), (221, 329360), (230, 316472), (260, 279956), (272, 267605), (299, 243440), (340, 214084), (358, 203320), (368, 197795), (391, 186160), (442, 164680), (460, 158236), (520, 139978), (598, 121720), (680, 107042), (716, 101660), (782, 93080), (884, 82340), (895, 81328), (920, 79118), (1040, 69989), (1105, 65872), (1196, 60860), (1360, 53521), (1432, 50830), (1495, 48688), (1564, 46540), (1768, 41170), (1790, 40664), (1840, 39559), (1955, 37232), (2210, 32936), (2327, 31280), (2392, 30430), (2864, 25415), (2990, 24344), (3043, 23920), (3128, 23270), (3536, 20585), (3580, 20332), (3910, 18616), (4117, 17680), (4420, 16468), (4654, 15640), (4784, 15215), (5083, 14320), (5980, 12172), (6086, 11960), (6256, 11635), (7160, 10166), (7820, 9308), (8234, 8840)]