47488480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 144

約数和(自身を含む): 129971520

約数和(自身を除く): 82483040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 79, 80, 85, 104, 130, 136, 158, 160, 170, 208, 221, 260, 272, 289, 316, 340, 395, 416, 442, 520, 544, 578, 632, 680, 790, 884, 1027, 1040, 1105, 1156, 1264, 1343, 1360, 1445, 1580, 1768, 2054, 2080, 2210, 2312, 2528, 2686, 2720, 2890, 3160, 3536, 3757, 4108, 4420, 4624, 5135, 5372, 5780, 6320, 6715, 7072, 7514, 8216, 8840, 9248, 10270, 10744, 11560, 12640, 13430, 15028, 16432, 17459, 17680, 18785, 20540, 21488, 22831, 23120, 26860, 30056, 32864, 34918, 35360, 37570, 41080, 42976, 45662, 46240, 53720, 60112, 69836, 75140, 82160, 87295, 91324, 107440, 114155, 120224, 139672, 150280, 164320, 174590, 182648, 214880, 228310, 279344, 296803, 300560, 349180, 365296, 456620, 558688, 593606, 601120, 698360, 730592, 913240, 1187212, 1396720, 1484015, 1826480, 2374424, 2793440, 2968030, 3652960, 4748848, 5936060, 9497696, 11872120, 23744240, 47488480]

約数ペア:

[(1, 47488480), (2, 23744240), (4, 11872120), (5, 9497696), (8, 5936060), (10, 4748848), (13, 3652960), (16, 2968030), (17, 2793440), (20, 2374424), (26, 1826480), (32, 1484015), (34, 1396720), (40, 1187212), (52, 913240), (65, 730592), (68, 698360), (79, 601120), (80, 593606), (85, 558688), (104, 456620), (130, 365296), (136, 349180), (158, 300560), (160, 296803), (170, 279344), (208, 228310), (221, 214880), (260, 182648), (272, 174590), (289, 164320), (316, 150280), (340, 139672), (395, 120224), (416, 114155), (442, 107440), (520, 91324), (544, 87295), (578, 82160), (632, 75140), (680, 69836), (790, 60112), (884, 53720), (1027, 46240), (1040, 45662), (1105, 42976), (1156, 41080), (1264, 37570), (1343, 35360), (1360, 34918), (1445, 32864), (1580, 30056), (1768, 26860), (2054, 23120), (2080, 22831), (2210, 21488), (2312, 20540), (2528, 18785), (2686, 17680), (2720, 17459), (2890, 16432), (3160, 15028), (3536, 13430), (3757, 12640), (4108, 11560), (4420, 10744), (4624, 10270), (5135, 9248), (5372, 8840), (5780, 8216), (6320, 7514), (6715, 7072)]