64237500

素因数分解:

$2^2\times 3^2\times 5^5\times {\mathrm{571}}^1$

素因数の和:606

約数の個数: 108

約数和(自身を含む): 203315112

約数和(自身を除く): 139077612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 571, 625, 750, 900, 1125, 1142, 1250, 1500, 1713, 1875, 2250, 2284, 2500, 2855, 3125, 3426, 3750, 4500, 5139, 5625, 5710, 6250, 6852, 7500, 8565, 9375, 10278, 11250, 11420, 12500, 14275, 17130, 18750, 20556, 22500, 25695, 28125, 28550, 34260, 37500, 42825, 51390, 56250, 57100, 71375, 85650, 102780, 112500, 128475, 142750, 171300, 214125, 256950, 285500, 356875, 428250, 513900, 642375, 713750, 856500, 1070625, 1284750, 1427500, 1784375, 2141250, 2569500, 3211875, 3568750, 4282500, 5353125, 6423750, 7137500, 10706250, 12847500, 16059375, 21412500, 32118750, 64237500]

約数ペア:

[(1, 64237500), (2, 32118750), (3, 21412500), (4, 16059375), (5, 12847500), (6, 10706250), (9, 7137500), (10, 6423750), (12, 5353125), (15, 4282500), (18, 3568750), (20, 3211875), (25, 2569500), (30, 2141250), (36, 1784375), (45, 1427500), (50, 1284750), (60, 1070625), (75, 856500), (90, 713750), (100, 642375), (125, 513900), (150, 428250), (180, 356875), (225, 285500), (250, 256950), (300, 214125), (375, 171300), (450, 142750), (500, 128475), (571, 112500), (625, 102780), (750, 85650), (900, 71375), (1125, 57100), (1142, 56250), (1250, 51390), (1500, 42825), (1713, 37500), (1875, 34260), (2250, 28550), (2284, 28125), (2500, 25695), (2855, 22500), (3125, 20556), (3426, 18750), (3750, 17130), (4500, 14275), (5139, 12500), (5625, 11420), (5710, 11250), (6250, 10278), (6852, 9375), (7500, 8565)]