128815896

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 376761600

約数和(自身を除く): 247945704

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 61, 66, 76, 88, 114, 122, 132, 152, 183, 209, 228, 244, 264, 366, 418, 421, 456, 488, 627, 671, 732, 836, 842, 1159, 1254, 1263, 1342, 1464, 1672, 1684, 2013, 2318, 2508, 2526, 2684, 3368, 3477, 4026, 4631, 4636, 5016, 5052, 5368, 6954, 7999, 8052, 9262, 9272, 10104, 12749, 13893, 13908, 15998, 16104, 18524, 23997, 25498, 25681, 27786, 27816, 31996, 37048, 38247, 47994, 50996, 51362, 55572, 63992, 76494, 77043, 87989, 95988, 101992, 102724, 111144, 152988, 154086, 175978, 191976, 205448, 263967, 282491, 305976, 308172, 351956, 487939, 527934, 564982, 616344, 703912, 847473, 975878, 1055868, 1129964, 1463817, 1694946, 1951756, 2111736, 2259928, 2927634, 3389892, 3903512, 5367329, 5855268, 6779784, 10734658, 11710536, 16101987, 21469316, 32203974, 42938632, 64407948, 128815896]

約数ペア:

[(1, 128815896), (2, 64407948), (3, 42938632), (4, 32203974), (6, 21469316), (8, 16101987), (11, 11710536), (12, 10734658), (19, 6779784), (22, 5855268), (24, 5367329), (33, 3903512), (38, 3389892), (44, 2927634), (57, 2259928), (61, 2111736), (66, 1951756), (76, 1694946), (88, 1463817), (114, 1129964), (122, 1055868), (132, 975878), (152, 847473), (183, 703912), (209, 616344), (228, 564982), (244, 527934), (264, 487939), (366, 351956), (418, 308172), (421, 305976), (456, 282491), (488, 263967), (627, 205448), (671, 191976), (732, 175978), (836, 154086), (842, 152988), (1159, 111144), (1254, 102724), (1263, 101992), (1342, 95988), (1464, 87989), (1672, 77043), (1684, 76494), (2013, 63992), (2318, 55572), (2508, 51362), (2526, 50996), (2684, 47994), (3368, 38247), (3477, 37048), (4026, 31996), (4631, 27816), (4636, 27786), (5016, 25681), (5052, 25498), (5368, 23997), (6954, 18524), (7999, 16104), (8052, 15998), (9262, 13908), (9272, 13893), (10104, 12749)]