157851990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 160

約数和(自身を含む): 456857280

約数和(自身を除く): 299005290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 37, 45, 46, 54, 69, 74, 81, 90, 111, 115, 135, 138, 162, 185, 207, 222, 229, 230, 270, 333, 345, 370, 405, 414, 458, 555, 621, 666, 687, 690, 810, 851, 999, 1035, 1110, 1145, 1242, 1374, 1665, 1702, 1863, 1998, 2061, 2070, 2290, 2553, 2997, 3105, 3330, 3435, 3726, 4122, 4255, 4995, 5106, 5267, 5994, 6183, 6210, 6870, 7659, 8473, 8510, 9315, 9990, 10305, 10534, 12366, 12765, 14985, 15318, 15801, 16946, 18549, 18630, 20610, 22977, 25419, 25530, 26335, 29970, 30915, 31602, 37098, 38295, 42365, 45954, 47403, 50838, 52670, 61830, 68931, 76257, 76590, 79005, 84730, 92745, 94806, 114885, 127095, 137862, 142209, 152514, 158010, 185490, 194879, 228771, 229770, 237015, 254190, 284418, 344655, 381285, 389758, 426627, 457542, 474030, 584637, 686313, 689310, 711045, 762570, 853254, 974395, 1143855, 1169274, 1372626, 1422090, 1753911, 1948790, 2133135, 2287710, 2923185, 3431565, 3507822, 4266270, 5261733, 5846370, 6863130, 8769555, 10523466, 15785199, 17539110, 26308665, 31570398, 52617330, 78925995, 157851990]

約数ペア:

[(1, 157851990), (2, 78925995), (3, 52617330), (5, 31570398), (6, 26308665), (9, 17539110), (10, 15785199), (15, 10523466), (18, 8769555), (23, 6863130), (27, 5846370), (30, 5261733), (37, 4266270), (45, 3507822), (46, 3431565), (54, 2923185), (69, 2287710), (74, 2133135), (81, 1948790), (90, 1753911), (111, 1422090), (115, 1372626), (135, 1169274), (138, 1143855), (162, 974395), (185, 853254), (207, 762570), (222, 711045), (229, 689310), (230, 686313), (270, 584637), (333, 474030), (345, 457542), (370, 426627), (405, 389758), (414, 381285), (458, 344655), (555, 284418), (621, 254190), (666, 237015), (687, 229770), (690, 228771), (810, 194879), (851, 185490), (999, 158010), (1035, 152514), (1110, 142209), (1145, 137862), (1242, 127095), (1374, 114885), (1665, 94806), (1702, 92745), (1863, 84730), (1998, 79005), (2061, 76590), (2070, 76257), (2290, 68931), (2553, 61830), (2997, 52670), (3105, 50838), (3330, 47403), (3435, 45954), (3726, 42365), (4122, 38295), (4255, 37098), (4995, 31602), (5106, 30915), (5267, 29970), (5994, 26335), (6183, 25530), (6210, 25419), (6870, 22977), (7659, 20610), (8473, 18630), (8510, 18549), (9315, 16946), (9990, 15801), (10305, 15318), (10534, 14985), (12366, 12765)]