203987760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 160

約数和(自身を含む): 675760320

約数和(自身を除く): 471772560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 173, 204, 240, 255, 272, 289, 340, 346, 408, 510, 519, 578, 680, 692, 816, 865, 867, 1020, 1038, 1156, 1360, 1384, 1445, 1730, 1734, 2040, 2076, 2312, 2595, 2768, 2890, 2941, 3460, 3468, 4080, 4152, 4335, 4624, 4913, 5190, 5780, 5882, 6920, 6936, 8304, 8670, 8823, 9826, 10380, 11560, 11764, 13840, 13872, 14705, 14739, 17340, 17646, 19652, 20760, 23120, 23528, 24565, 29410, 29478, 34680, 35292, 39304, 41520, 44115, 47056, 49130, 49997, 58820, 58956, 69360, 70584, 73695, 78608, 88230, 98260, 99994, 117640, 117912, 141168, 147390, 149991, 176460, 196520, 199988, 235280, 235824, 249985, 294780, 299982, 352920, 393040, 399976, 499970, 589560, 599964, 705840, 749955, 799952, 849949, 999940, 1179120, 1199928, 1499910, 1699898, 1999880, 2399856, 2549847, 2999820, 3399796, 3999760, 4249745, 5099694, 5999640, 6799592, 8499490, 10199388, 11999280, 12749235, 13599184, 16998980, 20398776, 25498470, 33997960, 40797552, 50996940, 67995920, 101993880, 203987760]

約数ペア:

[(1, 203987760), (2, 101993880), (3, 67995920), (4, 50996940), (5, 40797552), (6, 33997960), (8, 25498470), (10, 20398776), (12, 16998980), (15, 13599184), (16, 12749235), (17, 11999280), (20, 10199388), (24, 8499490), (30, 6799592), (34, 5999640), (40, 5099694), (48, 4249745), (51, 3999760), (60, 3399796), (68, 2999820), (80, 2549847), (85, 2399856), (102, 1999880), (120, 1699898), (136, 1499910), (170, 1199928), (173, 1179120), (204, 999940), (240, 849949), (255, 799952), (272, 749955), (289, 705840), (340, 599964), (346, 589560), (408, 499970), (510, 399976), (519, 393040), (578, 352920), (680, 299982), (692, 294780), (816, 249985), (865, 235824), (867, 235280), (1020, 199988), (1038, 196520), (1156, 176460), (1360, 149991), (1384, 147390), (1445, 141168), (1730, 117912), (1734, 117640), (2040, 99994), (2076, 98260), (2312, 88230), (2595, 78608), (2768, 73695), (2890, 70584), (2941, 69360), (3460, 58956), (3468, 58820), (4080, 49997), (4152, 49130), (4335, 47056), (4624, 44115), (4913, 41520), (5190, 39304), (5780, 35292), (5882, 34680), (6920, 29478), (6936, 29410), (8304, 24565), (8670, 23528), (8823, 23120), (9826, 20760), (10380, 19652), (11560, 17646), (11764, 17340), (13840, 14739), (13872, 14705)]