20161115888

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:415

約数の個数: 160

約数和(自身を含む): 42991534080

約数和(自身を除く): 22830418192

約数列:

[1, 2, 4, 8, 16, 23, 37, 46, 74, 89, 92, 127, 131, 148, 178, 184, 254, 262, 296, 356, 368, 508, 524, 592, 712, 851, 1016, 1048, 1424, 1702, 2032, 2047, 2096, 2921, 3013, 3293, 3404, 4094, 4699, 4847, 5842, 6026, 6586, 6808, 8188, 9398, 9694, 11303, 11659, 11684, 12052, 13172, 13616, 16376, 16637, 18796, 19388, 22606, 23318, 23368, 24104, 26344, 32752, 33274, 37592, 38776, 45212, 46636, 46736, 48208, 52688, 66548, 75184, 75739, 77552, 90424, 93272, 108077, 111481, 133096, 151478, 180848, 186544, 216154, 222962, 259969, 266192, 268157, 302956, 382651, 418211, 431383, 432308, 445924, 519938, 536314, 605912, 615569, 765302, 836422, 862766, 864616, 891848, 1039876, 1072628, 1211824, 1231138, 1480693, 1530604, 1672844, 1725532, 1729232, 1783696, 2079752, 2145256, 2462276, 2961386, 3061208, 3345688, 3451064, 4159504, 4290512, 4924552, 5922772, 6122416, 6691376, 6902128, 9618853, 9849104, 9921809, 11845544, 14158087, 19237706, 19843618, 23691088, 28316174, 34055939, 38475412, 39687236, 54785641, 56632348, 68111878, 76950824, 79374472, 109571282, 113264696, 136223756, 153901648, 158748944, 219142564, 226529392, 272447512, 438285128, 544895024, 876570256, 1260069743, 2520139486, 5040278972, 10080557944, 20161115888]

約数ペア:

[(1, 20161115888), (2, 10080557944), (4, 5040278972), (8, 2520139486), (16, 1260069743), (23, 876570256), (37, 544895024), (46, 438285128), (74, 272447512), (89, 226529392), (92, 219142564), (127, 158748944), (131, 153901648), (148, 136223756), (178, 113264696), (184, 109571282), (254, 79374472), (262, 76950824), (296, 68111878), (356, 56632348), (368, 54785641), (508, 39687236), (524, 38475412), (592, 34055939), (712, 28316174), (851, 23691088), (1016, 19843618), (1048, 19237706), (1424, 14158087), (1702, 11845544), (2032, 9921809), (2047, 9849104), (2096, 9618853), (2921, 6902128), (3013, 6691376), (3293, 6122416), (3404, 5922772), (4094, 4924552), (4699, 4290512), (4847, 4159504), (5842, 3451064), (6026, 3345688), (6586, 3061208), (6808, 2961386), (8188, 2462276), (9398, 2145256), (9694, 2079752), (11303, 1783696), (11659, 1729232), (11684, 1725532), (12052, 1672844), (13172, 1530604), (13616, 1480693), (16376, 1231138), (16637, 1211824), (18796, 1072628), (19388, 1039876), (22606, 891848), (23318, 864616), (23368, 862766), (24104, 836422), (26344, 765302), (32752, 615569), (33274, 605912), (37592, 536314), (38776, 519938), (45212, 445924), (46636, 432308), (46736, 431383), (48208, 418211), (52688, 382651), (66548, 302956), (75184, 268157), (75739, 266192), (77552, 259969), (90424, 222962), (93272, 216154), (108077, 186544), (111481, 180848), (133096, 151478)]