1616005040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:224

約数の個数: 240

約数和(自身を含む): 4411324800

約数和(自身を除く): 2795319760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 79, 80, 85, 89, 104, 130, 136, 158, 169, 170, 178, 208, 221, 260, 272, 316, 338, 340, 356, 395, 442, 445, 520, 632, 676, 680, 712, 790, 845, 884, 890, 1027, 1040, 1105, 1157, 1264, 1343, 1352, 1360, 1424, 1513, 1580, 1690, 1768, 1780, 2054, 2210, 2314, 2686, 2704, 2873, 3026, 3160, 3380, 3536, 3560, 4108, 4420, 4628, 5135, 5372, 5746, 5785, 6052, 6320, 6715, 6760, 7031, 7120, 7565, 8216, 8840, 9256, 10270, 10744, 11492, 11570, 12104, 13351, 13430, 13520, 14062, 14365, 15041, 15130, 16432, 17459, 17680, 18512, 19669, 20540, 21488, 22984, 23140, 24208, 26702, 26860, 28124, 28730, 30082, 30260, 34918, 35155, 39338, 41080, 45968, 46280, 53404, 53720, 56248, 57460, 60164, 60520, 66755, 69836, 70310, 75205, 78676, 82160, 87295, 91403, 92560, 98345, 106808, 107440, 112496, 114920, 119527, 120328, 121040, 133510, 139672, 140620, 150410, 157352, 174590, 182806, 196690, 213616, 226967, 229840, 239054, 240656, 255697, 267020, 279344, 281240, 300820, 314704, 349180, 365612, 393380, 453934, 457015, 478108, 511394, 534040, 562480, 597635, 601640, 698360, 731224, 786760, 907868, 914030, 956216, 1022788, 1068080, 1134835, 1188239, 1195270, 1203280, 1278485, 1396720, 1462448, 1553851, 1573520, 1815736, 1828060, 1912432, 2045576, 2269670, 2376478, 2390540, 2556970, 3107702, 3631472, 3656120, 4091152, 4539340, 4752956, 4781080, 5113940, 5941195, 6215404, 7312240, 7769255, 9078680, 9505912, 9562160, 10227880, 11882390, 12430808, 15538510, 18157360, 19011824, 20200063, 20455760, 23764780, 24861616, 31077020, 40400126, 47529560, 62154040, 80800252, 95059120, 101000315, 124308080, 161600504, 202000630, 323201008, 404001260, 808002520, 1616005040]

約数ペア:

[(1, 1616005040), (2, 808002520), (4, 404001260), (5, 323201008), (8, 202000630), (10, 161600504), (13, 124308080), (16, 101000315), (17, 95059120), (20, 80800252), (26, 62154040), (34, 47529560), (40, 40400126), (52, 31077020), (65, 24861616), (68, 23764780), (79, 20455760), (80, 20200063), (85, 19011824), (89, 18157360), (104, 15538510), (130, 12430808), (136, 11882390), (158, 10227880), (169, 9562160), (170, 9505912), (178, 9078680), (208, 7769255), (221, 7312240), (260, 6215404), (272, 5941195), (316, 5113940), (338, 4781080), (340, 4752956), (356, 4539340), (395, 4091152), (442, 3656120), (445, 3631472), (520, 3107702), (632, 2556970), (676, 2390540), (680, 2376478), (712, 2269670), (790, 2045576), (845, 1912432), (884, 1828060), (890, 1815736), (1027, 1573520), (1040, 1553851), (1105, 1462448), (1157, 1396720), (1264, 1278485), (1343, 1203280), (1352, 1195270), (1360, 1188239), (1424, 1134835), (1513, 1068080), (1580, 1022788), (1690, 956216), (1768, 914030), (1780, 907868), (2054, 786760), (2210, 731224), (2314, 698360), (2686, 601640), (2704, 597635), (2873, 562480), (3026, 534040), (3160, 511394), (3380, 478108), (3536, 457015), (3560, 453934), (4108, 393380), (4420, 365612), (4628, 349180), (5135, 314704), (5372, 300820), (5746, 281240), (5785, 279344), (6052, 267020), (6320, 255697), (6715, 240656), (6760, 239054), (7031, 229840), (7120, 226967), (7565, 213616), (8216, 196690), (8840, 182806), (9256, 174590), (10270, 157352), (10744, 150410), (11492, 140620), (11570, 139672), (12104, 133510), (13351, 121040), (13430, 120328), (13520, 119527), (14062, 114920), (14365, 112496), (15041, 107440), (15130, 106808), (16432, 98345), (17459, 92560), (17680, 91403), (18512, 87295), (19669, 82160), (20540, 78676), (21488, 75205), (22984, 70310), (23140, 69836), (24208, 66755), (26702, 60520), (26860, 60164), (28124, 57460), (28730, 56248), (30082, 53720), (30260, 53404), (34918, 46280), (35155, 45968), (39338, 41080)]