649860000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{10831}}^1$

素因数の和:10864

約数の個数: 120

約数和(自身を含む): 2131867584

約数和(自身を除く): 1482007584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 625, 750, 800, 1000, 1200, 1250, 1500, 1875, 2000, 2400, 2500, 3000, 3750, 4000, 5000, 6000, 7500, 10000, 10831, 12000, 15000, 20000, 21662, 30000, 32493, 43324, 54155, 60000, 64986, 86648, 108310, 129972, 162465, 173296, 216620, 259944, 270775, 324930, 346592, 433240, 519888, 541550, 649860, 812325, 866480, 1039776, 1083100, 1299720, 1353875, 1624650, 1732960, 2166200, 2599440, 2707750, 3249300, 4061625, 4332400, 5198880, 5415500, 6498600, 6769375, 8123250, 8664800, 10831000, 12997200, 13538750, 16246500, 20308125, 21662000, 25994400, 27077500, 32493000, 40616250, 43324000, 54155000, 64986000, 81232500, 108310000, 129972000, 162465000, 216620000, 324930000, 649860000]

約数ペア:

[(1, 649860000), (2, 324930000), (3, 216620000), (4, 162465000), (5, 129972000), (6, 108310000), (8, 81232500), (10, 64986000), (12, 54155000), (15, 43324000), (16, 40616250), (20, 32493000), (24, 27077500), (25, 25994400), (30, 21662000), (32, 20308125), (40, 16246500), (48, 13538750), (50, 12997200), (60, 10831000), (75, 8664800), (80, 8123250), (96, 6769375), (100, 6498600), (120, 5415500), (125, 5198880), (150, 4332400), (160, 4061625), (200, 3249300), (240, 2707750), (250, 2599440), (300, 2166200), (375, 1732960), (400, 1624650), (480, 1353875), (500, 1299720), (600, 1083100), (625, 1039776), (750, 866480), (800, 812325), (1000, 649860), (1200, 541550), (1250, 519888), (1500, 433240), (1875, 346592), (2000, 324930), (2400, 270775), (2500, 259944), (3000, 216620), (3750, 173296), (4000, 162465), (5000, 129972), (6000, 108310), (7500, 86648), (10000, 64986), (10831, 60000), (12000, 54155), (15000, 43324), (20000, 32493), (21662, 30000)]