71228480

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 112

約数和(自身を含む): 178582320

約数和(自身を除く): 107353840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 61, 64, 80, 82, 89, 122, 160, 164, 178, 205, 244, 305, 320, 328, 356, 410, 445, 488, 610, 656, 712, 820, 890, 976, 1220, 1312, 1424, 1640, 1780, 1952, 2440, 2501, 2624, 2848, 3280, 3560, 3649, 3904, 4880, 5002, 5429, 5696, 6560, 7120, 7298, 9760, 10004, 10858, 12505, 13120, 14240, 14596, 18245, 19520, 20008, 21716, 25010, 27145, 28480, 29192, 36490, 40016, 43432, 50020, 54290, 58384, 72980, 80032, 86864, 100040, 108580, 116768, 145960, 160064, 173728, 200080, 217160, 222589, 233536, 291920, 347456, 400160, 434320, 445178, 583840, 800320, 868640, 890356, 1112945, 1167680, 1737280, 1780712, 2225890, 3561424, 4451780, 7122848, 8903560, 14245696, 17807120, 35614240, 71228480]

約数ペア:

[(1, 71228480), (2, 35614240), (4, 17807120), (5, 14245696), (8, 8903560), (10, 7122848), (16, 4451780), (20, 3561424), (32, 2225890), (40, 1780712), (41, 1737280), (61, 1167680), (64, 1112945), (80, 890356), (82, 868640), (89, 800320), (122, 583840), (160, 445178), (164, 434320), (178, 400160), (205, 347456), (244, 291920), (305, 233536), (320, 222589), (328, 217160), (356, 200080), (410, 173728), (445, 160064), (488, 145960), (610, 116768), (656, 108580), (712, 100040), (820, 86864), (890, 80032), (976, 72980), (1220, 58384), (1312, 54290), (1424, 50020), (1640, 43432), (1780, 40016), (1952, 36490), (2440, 29192), (2501, 28480), (2624, 27145), (2848, 25010), (3280, 21716), (3560, 20008), (3649, 19520), (3904, 18245), (4880, 14596), (5002, 14240), (5429, 13120), (5696, 12505), (6560, 10858), (7120, 10004), (7298, 9760)]