71582580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 232923600

約数和(自身を除く): 161341020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 149, 153, 157, 170, 180, 204, 255, 298, 306, 314, 340, 447, 471, 510, 596, 612, 628, 745, 765, 785, 894, 942, 1020, 1341, 1413, 1490, 1530, 1570, 1788, 1884, 2235, 2355, 2533, 2669, 2682, 2826, 2980, 3060, 3140, 4470, 4710, 5066, 5338, 5364, 5652, 6705, 7065, 7599, 8007, 8940, 9420, 10132, 10676, 12665, 13345, 13410, 14130, 15198, 16014, 22797, 23393, 24021, 25330, 26690, 26820, 28260, 30396, 32028, 37995, 40035, 45594, 46786, 48042, 50660, 53380, 70179, 75990, 80070, 91188, 93572, 96084, 113985, 116965, 120105, 140358, 151980, 160140, 210537, 227970, 233930, 240210, 280716, 350895, 397681, 421074, 455940, 467860, 480420, 701790, 795362, 842148, 1052685, 1193043, 1403580, 1590724, 1988405, 2105370, 2386086, 3579129, 3976810, 4210740, 4772172, 5965215, 7158258, 7953620, 11930430, 14316516, 17895645, 23860860, 35791290, 71582580]

約数ペア:

[(1, 71582580), (2, 35791290), (3, 23860860), (4, 17895645), (5, 14316516), (6, 11930430), (9, 7953620), (10, 7158258), (12, 5965215), (15, 4772172), (17, 4210740), (18, 3976810), (20, 3579129), (30, 2386086), (34, 2105370), (36, 1988405), (45, 1590724), (51, 1403580), (60, 1193043), (68, 1052685), (85, 842148), (90, 795362), (102, 701790), (149, 480420), (153, 467860), (157, 455940), (170, 421074), (180, 397681), (204, 350895), (255, 280716), (298, 240210), (306, 233930), (314, 227970), (340, 210537), (447, 160140), (471, 151980), (510, 140358), (596, 120105), (612, 116965), (628, 113985), (745, 96084), (765, 93572), (785, 91188), (894, 80070), (942, 75990), (1020, 70179), (1341, 53380), (1413, 50660), (1490, 48042), (1530, 46786), (1570, 45594), (1788, 40035), (1884, 37995), (2235, 32028), (2355, 30396), (2533, 28260), (2669, 26820), (2682, 26690), (2826, 25330), (2980, 24021), (3060, 23393), (3140, 22797), (4470, 16014), (4710, 15198), (5066, 14130), (5338, 13410), (5364, 13345), (5652, 12665), (6705, 10676), (7065, 10132), (7599, 9420), (8007, 8940)]