79011920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 160

約数和(自身を含む): 216548640

約数和(自身を除く): 137536720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 41, 52, 65, 68, 80, 82, 85, 104, 109, 130, 136, 164, 170, 205, 208, 218, 221, 260, 272, 328, 340, 410, 436, 442, 520, 533, 545, 656, 680, 697, 820, 872, 884, 1040, 1066, 1090, 1105, 1360, 1394, 1417, 1640, 1744, 1768, 1853, 2132, 2180, 2210, 2665, 2788, 2834, 3280, 3485, 3536, 3706, 4264, 4360, 4420, 4469, 5330, 5576, 5668, 6970, 7085, 7412, 8528, 8720, 8840, 8938, 9061, 9265, 10660, 11152, 11336, 13940, 14170, 14824, 17680, 17876, 18122, 18530, 21320, 22345, 22672, 24089, 27880, 28340, 29648, 35752, 36244, 37060, 42640, 44690, 45305, 48178, 55760, 56680, 58097, 71504, 72488, 74120, 75973, 89380, 90610, 96356, 113360, 116194, 120445, 144976, 148240, 151946, 178760, 181220, 192712, 232388, 240890, 290485, 303892, 357520, 362440, 379865, 385424, 464776, 481780, 580970, 607784, 724880, 759730, 929552, 963560, 987649, 1161940, 1215568, 1519460, 1927120, 1975298, 2323880, 3038920, 3950596, 4647760, 4938245, 6077840, 7901192, 9876490, 15802384, 19752980, 39505960, 79011920]

約数ペア:

[(1, 79011920), (2, 39505960), (4, 19752980), (5, 15802384), (8, 9876490), (10, 7901192), (13, 6077840), (16, 4938245), (17, 4647760), (20, 3950596), (26, 3038920), (34, 2323880), (40, 1975298), (41, 1927120), (52, 1519460), (65, 1215568), (68, 1161940), (80, 987649), (82, 963560), (85, 929552), (104, 759730), (109, 724880), (130, 607784), (136, 580970), (164, 481780), (170, 464776), (205, 385424), (208, 379865), (218, 362440), (221, 357520), (260, 303892), (272, 290485), (328, 240890), (340, 232388), (410, 192712), (436, 181220), (442, 178760), (520, 151946), (533, 148240), (545, 144976), (656, 120445), (680, 116194), (697, 113360), (820, 96356), (872, 90610), (884, 89380), (1040, 75973), (1066, 74120), (1090, 72488), (1105, 71504), (1360, 58097), (1394, 56680), (1417, 55760), (1640, 48178), (1744, 45305), (1768, 44690), (1853, 42640), (2132, 37060), (2180, 36244), (2210, 35752), (2665, 29648), (2788, 28340), (2834, 27880), (3280, 24089), (3485, 22672), (3536, 22345), (3706, 21320), (4264, 18530), (4360, 18122), (4420, 17876), (4469, 17680), (5330, 14824), (5576, 14170), (5668, 13940), (6970, 11336), (7085, 11152), (7412, 10660), (8528, 9265), (8720, 9061), (8840, 8938)]