1640974725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:648

約数の個数: 144

約数和(自身を含む): 3412687824

約数和(自身を除く): 1771713099

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 61, 65, 75, 85, 117, 153, 183, 195, 221, 225, 255, 305, 325, 425, 541, 549, 585, 663, 765, 793, 915, 975, 1037, 1105, 1275, 1525, 1623, 1989, 2379, 2705, 2745, 2925, 3111, 3315, 3825, 3965, 4575, 4869, 5185, 5525, 7033, 7137, 8115, 9197, 9333, 9945, 11895, 13481, 13525, 13725, 15555, 16575, 19825, 21099, 24345, 25925, 27591, 33001, 35165, 35685, 40443, 40575, 45985, 46665, 49725, 59475, 63297, 67405, 77775, 82773, 99003, 105495, 119561, 121329, 121725, 137955, 165005, 175825, 178425, 202215, 229925, 233325, 297009, 316485, 337025, 358683, 413865, 429013, 495015, 527475, 561017, 597805, 606645, 689775, 825025, 1011075, 1076049, 1287039, 1485045, 1582425, 1683051, 1793415, 2069325, 2145065, 2475075, 2805085, 2989025, 3033225, 3861117, 5049153, 5380245, 6435195, 7293221, 7425225, 8415255, 8967075, 10725325, 14025425, 19305585, 21879663, 25245765, 26901225, 32175975, 36466105, 42076275, 65638989, 96527925, 109398315, 126228825, 182330525, 328194945, 546991575, 1640974725]

約数ペア:

[(1, 1640974725), (3, 546991575), (5, 328194945), (9, 182330525), (13, 126228825), (15, 109398315), (17, 96527925), (25, 65638989), (39, 42076275), (45, 36466105), (51, 32175975), (61, 26901225), (65, 25245765), (75, 21879663), (85, 19305585), (117, 14025425), (153, 10725325), (183, 8967075), (195, 8415255), (221, 7425225), (225, 7293221), (255, 6435195), (305, 5380245), (325, 5049153), (425, 3861117), (541, 3033225), (549, 2989025), (585, 2805085), (663, 2475075), (765, 2145065), (793, 2069325), (915, 1793415), (975, 1683051), (1037, 1582425), (1105, 1485045), (1275, 1287039), (1525, 1076049), (1623, 1011075), (1989, 825025), (2379, 689775), (2705, 606645), (2745, 597805), (2925, 561017), (3111, 527475), (3315, 495015), (3825, 429013), (3965, 413865), (4575, 358683), (4869, 337025), (5185, 316485), (5525, 297009), (7033, 233325), (7137, 229925), (8115, 202215), (9197, 178425), (9333, 175825), (9945, 165005), (11895, 137955), (13481, 121725), (13525, 121329), (13725, 119561), (15555, 105495), (16575, 99003), (19825, 82773), (21099, 77775), (24345, 67405), (25925, 63297), (27591, 59475), (33001, 49725), (35165, 46665), (35685, 45985), (40443, 40575)]