1821984900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1303}}^1$

素因数の和:1458

約数の個数: 144

約数和(自身を含む): 5432985600

約数和(自身を除く): 3611000700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 59, 60, 75, 79, 100, 118, 150, 158, 177, 236, 237, 295, 300, 316, 354, 395, 474, 590, 708, 790, 885, 948, 1180, 1185, 1303, 1475, 1580, 1770, 1975, 2370, 2606, 2950, 3540, 3909, 3950, 4425, 4661, 4740, 5212, 5900, 5925, 6515, 7818, 7900, 8850, 9322, 11850, 13030, 13983, 15636, 17700, 18644, 19545, 23305, 23700, 26060, 27966, 32575, 39090, 46610, 55932, 65150, 69915, 76877, 78180, 93220, 97725, 102937, 116525, 130300, 139830, 153754, 195450, 205874, 230631, 233050, 279660, 307508, 308811, 349575, 384385, 390900, 411748, 461262, 466100, 514685, 617622, 699150, 768770, 922524, 1029370, 1153155, 1235244, 1398300, 1537540, 1544055, 1921925, 2058740, 2306310, 2573425, 3088110, 3843850, 4612620, 5146850, 5765775, 6073283, 6176220, 7687700, 7720275, 10293700, 11531550, 12146566, 15440550, 18219849, 23063100, 24293132, 30366415, 30881100, 36439698, 60732830, 72879396, 91099245, 121465660, 151832075, 182198490, 303664150, 364396980, 455496225, 607328300, 910992450, 1821984900]

約数ペア:

[(1, 1821984900), (2, 910992450), (3, 607328300), (4, 455496225), (5, 364396980), (6, 303664150), (10, 182198490), (12, 151832075), (15, 121465660), (20, 91099245), (25, 72879396), (30, 60732830), (50, 36439698), (59, 30881100), (60, 30366415), (75, 24293132), (79, 23063100), (100, 18219849), (118, 15440550), (150, 12146566), (158, 11531550), (177, 10293700), (236, 7720275), (237, 7687700), (295, 6176220), (300, 6073283), (316, 5765775), (354, 5146850), (395, 4612620), (474, 3843850), (590, 3088110), (708, 2573425), (790, 2306310), (885, 2058740), (948, 1921925), (1180, 1544055), (1185, 1537540), (1303, 1398300), (1475, 1235244), (1580, 1153155), (1770, 1029370), (1975, 922524), (2370, 768770), (2606, 699150), (2950, 617622), (3540, 514685), (3909, 466100), (3950, 461262), (4425, 411748), (4661, 390900), (4740, 384385), (5212, 349575), (5900, 308811), (5925, 307508), (6515, 279660), (7818, 233050), (7900, 230631), (8850, 205874), (9322, 195450), (11850, 153754), (13030, 139830), (13983, 130300), (15636, 116525), (17700, 102937), (18644, 97725), (19545, 93220), (23305, 78180), (23700, 76877), (26060, 69915), (27966, 65150), (32575, 55932), (39090, 46610)]