18281040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 120

約数和(自身を含む): 60094368

約数和(自身を除く): 41813328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 211, 228, 240, 285, 304, 361, 380, 422, 456, 570, 633, 722, 760, 844, 912, 1055, 1083, 1140, 1266, 1444, 1520, 1688, 1805, 2110, 2166, 2280, 2532, 2888, 3165, 3376, 3610, 4009, 4220, 4332, 4560, 5064, 5415, 5776, 6330, 7220, 8018, 8440, 8664, 10128, 10830, 12027, 12660, 14440, 16036, 16880, 17328, 20045, 21660, 24054, 25320, 28880, 32072, 40090, 43320, 48108, 50640, 60135, 64144, 76171, 80180, 86640, 96216, 120270, 152342, 160360, 192432, 228513, 240540, 304684, 320720, 380855, 457026, 481080, 609368, 761710, 914052, 962160, 1142565, 1218736, 1523420, 1828104, 2285130, 3046840, 3656208, 4570260, 6093680, 9140520, 18281040]

約数ペア:

[(1, 18281040), (2, 9140520), (3, 6093680), (4, 4570260), (5, 3656208), (6, 3046840), (8, 2285130), (10, 1828104), (12, 1523420), (15, 1218736), (16, 1142565), (19, 962160), (20, 914052), (24, 761710), (30, 609368), (38, 481080), (40, 457026), (48, 380855), (57, 320720), (60, 304684), (76, 240540), (80, 228513), (95, 192432), (114, 160360), (120, 152342), (152, 120270), (190, 96216), (211, 86640), (228, 80180), (240, 76171), (285, 64144), (304, 60135), (361, 50640), (380, 48108), (422, 43320), (456, 40090), (570, 32072), (633, 28880), (722, 25320), (760, 24054), (844, 21660), (912, 20045), (1055, 17328), (1083, 16880), (1140, 16036), (1266, 14440), (1444, 12660), (1520, 12027), (1688, 10830), (1805, 10128), (2110, 8664), (2166, 8440), (2280, 8018), (2532, 7220), (2888, 6330), (3165, 5776), (3376, 5415), (3610, 5064), (4009, 4560), (4220, 4332)]