2021115750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:651

約数の個数: 128

約数和(自身を含む): 5223374208

約数和(自身を除く): 3202258458

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 125, 150, 173, 185, 222, 250, 346, 370, 375, 421, 519, 555, 750, 842, 865, 925, 1038, 1110, 1263, 1730, 1850, 2105, 2526, 2595, 2775, 4210, 4325, 4625, 5190, 5550, 6315, 6401, 8650, 9250, 10525, 12630, 12802, 12975, 13875, 15577, 19203, 21050, 21625, 25950, 27750, 31154, 31575, 32005, 38406, 43250, 46731, 52625, 63150, 64010, 64875, 72833, 77885, 93462, 96015, 105250, 129750, 145666, 155770, 157875, 160025, 192030, 218499, 233655, 315750, 320050, 364165, 389425, 436998, 467310, 480075, 728330, 778850, 800125, 960150, 1092495, 1168275, 1600250, 1820825, 1947125, 2184990, 2336550, 2400375, 2694821, 3641650, 3894250, 4800750, 5389642, 5462475, 5841375, 8084463, 9104125, 10924950, 11682750, 13474105, 16168926, 18208250, 26948210, 27312375, 40422315, 54624750, 67370525, 80844630, 134741050, 202111575, 336852625, 404223150, 673705250, 1010557875, 2021115750]

約数ペア:

[(1, 2021115750), (2, 1010557875), (3, 673705250), (5, 404223150), (6, 336852625), (10, 202111575), (15, 134741050), (25, 80844630), (30, 67370525), (37, 54624750), (50, 40422315), (74, 27312375), (75, 26948210), (111, 18208250), (125, 16168926), (150, 13474105), (173, 11682750), (185, 10924950), (222, 9104125), (250, 8084463), (346, 5841375), (370, 5462475), (375, 5389642), (421, 4800750), (519, 3894250), (555, 3641650), (750, 2694821), (842, 2400375), (865, 2336550), (925, 2184990), (1038, 1947125), (1110, 1820825), (1263, 1600250), (1730, 1168275), (1850, 1092495), (2105, 960150), (2526, 800125), (2595, 778850), (2775, 728330), (4210, 480075), (4325, 467310), (4625, 436998), (5190, 389425), (5550, 364165), (6315, 320050), (6401, 315750), (8650, 233655), (9250, 218499), (10525, 192030), (12630, 160025), (12802, 157875), (12975, 155770), (13875, 145666), (15577, 129750), (19203, 105250), (21050, 96015), (21625, 93462), (25950, 77885), (27750, 72833), (31154, 64875), (31575, 64010), (32005, 63150), (38406, 52625), (43250, 46731)]