131435480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 337478400

約数和(自身を除く): 206042920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 61, 83, 88, 110, 118, 122, 166, 220, 236, 244, 295, 305, 332, 415, 440, 472, 488, 590, 610, 649, 664, 671, 830, 913, 1180, 1220, 1298, 1342, 1660, 1826, 2360, 2440, 2596, 2684, 3245, 3320, 3355, 3599, 3652, 4565, 4897, 5063, 5192, 5368, 6490, 6710, 7198, 7304, 9130, 9794, 10126, 12980, 13420, 14396, 17995, 18260, 19588, 20252, 24485, 25315, 25960, 26840, 28792, 35990, 36520, 39176, 39589, 40504, 48970, 50630, 53867, 55693, 71980, 79178, 97940, 101260, 107734, 111386, 143960, 158356, 195880, 197945, 202520, 215468, 222772, 269335, 278465, 298717, 316712, 395890, 430936, 445544, 538670, 556930, 597434, 791780, 1077340, 1113860, 1194868, 1493585, 1583560, 2154680, 2227720, 2389736, 2987170, 3285887, 5974340, 6571774, 11948680, 13143548, 16429435, 26287096, 32858870, 65717740, 131435480]

約数ペア:

[(1, 131435480), (2, 65717740), (4, 32858870), (5, 26287096), (8, 16429435), (10, 13143548), (11, 11948680), (20, 6571774), (22, 5974340), (40, 3285887), (44, 2987170), (55, 2389736), (59, 2227720), (61, 2154680), (83, 1583560), (88, 1493585), (110, 1194868), (118, 1113860), (122, 1077340), (166, 791780), (220, 597434), (236, 556930), (244, 538670), (295, 445544), (305, 430936), (332, 395890), (415, 316712), (440, 298717), (472, 278465), (488, 269335), (590, 222772), (610, 215468), (649, 202520), (664, 197945), (671, 195880), (830, 158356), (913, 143960), (1180, 111386), (1220, 107734), (1298, 101260), (1342, 97940), (1660, 79178), (1826, 71980), (2360, 55693), (2440, 53867), (2596, 50630), (2684, 48970), (3245, 40504), (3320, 39589), (3355, 39176), (3599, 36520), (3652, 35990), (4565, 28792), (4897, 26840), (5063, 25960), (5192, 25315), (5368, 24485), (6490, 20252), (6710, 19588), (7198, 18260), (7304, 17995), (9130, 14396), (9794, 13420), (10126, 12980)]